1/*
2 * Copyright (C) STMicroelectronics 2009
3 * Copyright (C) ST-Ericsson SA 2010
4 *
5 * License Terms: GNU General Public License v2
6 * Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
7 *
8 * PRCMU f/w APIs
9 */
10#ifndef __MFD_DB8500_PRCMU_H
11#define __MFD_DB8500_PRCMU_H
12
13#include <linux/interrupt.h>
14#include <linux/bitops.h>
15
16/*
17 * Registers
18 */
19#define DB8500_PRCM_GPIOCR 0x138
20#define DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0	BIT(0)
21#define DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD	BIT(9)
22#define DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1	BIT(11)
23#define DB8500_PRCM_GPIOCR_SPI2_SELECT		BIT(23)
24
25#define DB8500_PRCM_LINE_VALUE 0x170
26#define DB8500_PRCM_LINE_VALUE_HSI_CAWAKE0	BIT(3)
27
28#define DB8500_PRCM_DSI_SW_RESET 0x324
29#define DB8500_PRCM_DSI_SW_RESET_DSI0_SW_RESETN BIT(0)
30#define DB8500_PRCM_DSI_SW_RESET_DSI1_SW_RESETN BIT(1)
31#define DB8500_PRCM_DSI_SW_RESET_DSI2_SW_RESETN BIT(2)
32
33/* This portion previously known as <mach/prcmu-fw-defs_v1.h> */
34
35/**
36 * enum state - ON/OFF state definition
37 * @OFF: State is ON
38 * @ON: State is OFF
39 *
40 */
41enum state {
42	OFF = 0x0,
43	ON  = 0x1,
44};
45
46/**
47 * enum ret_state - general purpose On/Off/Retention states
48 *
49 */
50enum ret_state {
51	OFFST = 0,
52	ONST  = 1,
53	RETST = 2
54};
55
56/**
57 * enum clk_arm - ARM Cortex A9 clock schemes
58 * @A9_OFF:
59 * @A9_BOOT:
60 * @A9_OPPT1:
61 * @A9_OPPT2:
62 * @A9_EXTCLK:
63 */
64enum clk_arm {
65	A9_OFF,
66	A9_BOOT,
67	A9_OPPT1,
68	A9_OPPT2,
69	A9_EXTCLK
70};
71
72/**
73 * enum clk_gen - GEN#0/GEN#1 clock schemes
74 * @GEN_OFF:
75 * @GEN_BOOT:
76 * @GEN_OPPT1:
77 */
78enum clk_gen {
79	GEN_OFF,
80	GEN_BOOT,
81	GEN_OPPT1,
82};
83
84/* some information between arm and xp70 */
85
86/**
87 * enum romcode_write - Romcode message written by A9 AND read by XP70
88 * @RDY_2_DS: Value set when ApDeepSleep state can be executed by XP70
89 * @RDY_2_XP70_RST: Value set when 0x0F has been successfully polled by the
90 *                 romcode. The xp70 will go into self-reset
91 */
92enum romcode_write {
93	RDY_2_DS = 0x09,
94	RDY_2_XP70_RST = 0x10
95};
96
97/**
98 * enum romcode_read - Romcode message written by XP70 and read by A9
99 * @INIT: Init value when romcode field is not used
100 * @FS_2_DS: Value set when power state is going from ApExecute to
101 *          ApDeepSleep
102 * @END_DS: Value set when ApDeepSleep power state is reached coming from
103 *         ApExecute state
104 * @DS_TO_FS: Value set when power state is going from ApDeepSleep to
105 *           ApExecute
106 * @END_FS: Value set when ApExecute power state is reached coming from
107 *         ApDeepSleep state
108 * @SWR: Value set when power state is going to ApReset
109 * @END_SWR: Value set when the xp70 finished executing ApReset actions and
110 *          waits for romcode acknowledgment to go to self-reset
111 */
112enum romcode_read {
113	INIT = 0x00,
114	FS_2_DS = 0x0A,
115	END_DS = 0x0B,
116	DS_TO_FS = 0x0C,
117	END_FS = 0x0D,
118	SWR = 0x0E,
119	END_SWR = 0x0F
120};
121
122/**
123 * enum ap_pwrst - current power states defined in PRCMU firmware
124 * @NO_PWRST: Current power state init
125 * @AP_BOOT: Current power state is apBoot
126 * @AP_EXECUTE: Current power state is apExecute
127 * @AP_DEEP_SLEEP: Current power state is apDeepSleep
128 * @AP_SLEEP: Current power state is apSleep
129 * @AP_IDLE: Current power state is apIdle
130 * @AP_RESET: Current power state is apReset
131 */
132enum ap_pwrst {
133	NO_PWRST = 0x00,
134	AP_BOOT = 0x01,
135	AP_EXECUTE = 0x02,
136	AP_DEEP_SLEEP = 0x03,
137	AP_SLEEP = 0x04,
138	AP_IDLE = 0x05,
139	AP_RESET = 0x06
140};
141
142/**
143 * enum ap_pwrst_trans - Transition states defined in PRCMU firmware
144 * @NO_TRANSITION: No power state transition
145 * @APEXECUTE_TO_APSLEEP: Power state transition from ApExecute to ApSleep
146 * @APIDLE_TO_APSLEEP: Power state transition from ApIdle to ApSleep
147 * @APBOOT_TO_APEXECUTE: Power state transition from ApBoot to ApExecute
148 * @APEXECUTE_TO_APDEEPSLEEP: Power state transition from ApExecute to
149 *                          ApDeepSleep
150 * @APEXECUTE_TO_APIDLE: Power state transition from ApExecute to ApIdle
151 */
152enum ap_pwrst_trans {
153	PRCMU_AP_NO_CHANGE		= 0x00,
154	APEXECUTE_TO_APSLEEP		= 0x01,
155	APIDLE_TO_APSLEEP		= 0x02, /* To be removed */
156	PRCMU_AP_SLEEP			= 0x01,
157	APBOOT_TO_APEXECUTE		= 0x03,
158	APEXECUTE_TO_APDEEPSLEEP	= 0x04, /* To be removed */
159	PRCMU_AP_DEEP_SLEEP		= 0x04,
160	APEXECUTE_TO_APIDLE		= 0x05, /* To be removed */
161	PRCMU_AP_IDLE			= 0x05,
162	PRCMU_AP_DEEP_IDLE		= 0x07,
163};
164
165/**
166 * enum hw_acc_state - State definition for hardware accelerator
167 * @HW_NO_CHANGE: The hardware accelerator state must remain unchanged
168 * @HW_OFF: The hardware accelerator must be switched off
169 * @HW_OFF_RAMRET: The hardware accelerator must be switched off with its
170 *               internal RAM in retention
171 * @HW_ON: The hwa hardware accelerator hwa must be switched on
172 *
173 * NOTE! Deprecated, to be removed when all users switched over to use the
174 * regulator API.
175 */
176enum hw_acc_state {
177	HW_NO_CHANGE = 0x00,
178	HW_OFF = 0x01,
179	HW_OFF_RAMRET = 0x02,
180	HW_ON = 0x04
181};
182
183/**
184 * enum  mbox_2_arm_stat - Status messages definition for mbox_arm
185 * @BOOT_TO_EXECUTEOK: The apBoot to apExecute state transition has been
186 *                    completed
187 * @DEEPSLEEPOK: The apExecute to apDeepSleep state transition has been
188 *              completed
189 * @SLEEPOK: The apExecute to apSleep state transition has been completed
190 * @IDLEOK: The apExecute to apIdle state transition has been completed
191 * @SOFTRESETOK: The A9 watchdog/ SoftReset state has been completed
192 * @SOFTRESETGO : The A9 watchdog/SoftReset state is on going
193 * @BOOT_TO_EXECUTE: The apBoot to apExecute state transition is on going
194 * @EXECUTE_TO_DEEPSLEEP: The apExecute to apDeepSleep state transition is on
195 *                       going
196 * @DEEPSLEEP_TO_EXECUTE: The apDeepSleep to apExecute state transition is on
197 *                       going
198 * @DEEPSLEEP_TO_EXECUTEOK: The apDeepSleep to apExecute state transition has
199 *                         been completed
200 * @EXECUTE_TO_SLEEP: The apExecute to apSleep state transition is on going
201 * @SLEEP_TO_EXECUTE: The apSleep to apExecute state transition is on going
202 * @SLEEP_TO_EXECUTEOK: The apSleep to apExecute state transition has been
203 *                     completed
204 * @EXECUTE_TO_IDLE: The apExecute to apIdle state transition is on going
205 * @IDLE_TO_EXECUTE: The apIdle to apExecute state transition is on going
206 * @IDLE_TO_EXECUTEOK: The apIdle to apExecute state transition has been
207 *                    completed
208 * @INIT_STATUS: Status init
209 */
210enum ap_pwrsttr_status {
211	BOOT_TO_EXECUTEOK = 0xFF,
212	DEEPSLEEPOK = 0xFE,
213	SLEEPOK = 0xFD,
214	IDLEOK = 0xFC,
215	SOFTRESETOK = 0xFB,
216	SOFTRESETGO = 0xFA,
217	BOOT_TO_EXECUTE = 0xF9,
218	EXECUTE_TO_DEEPSLEEP = 0xF8,
219	DEEPSLEEP_TO_EXECUTE = 0xF7,
220	DEEPSLEEP_TO_EXECUTEOK = 0xF6,
221	EXECUTE_TO_SLEEP = 0xF5,
222	SLEEP_TO_EXECUTE = 0xF4,
223	SLEEP_TO_EXECUTEOK = 0xF3,
224	EXECUTE_TO_IDLE = 0xF2,
225	IDLE_TO_EXECUTE = 0xF1,
226	IDLE_TO_EXECUTEOK = 0xF0,
227	RDYTODS_RETURNTOEXE    = 0xEF,
228	NORDYTODS_RETURNTOEXE  = 0xEE,
229	EXETOSLEEP_RETURNTOEXE = 0xED,
230	EXETOIDLE_RETURNTOEXE  = 0xEC,
231	INIT_STATUS = 0xEB,
232
233	/*error messages */
234	INITERROR                     = 0x00,
235	PLLARMLOCKP_ER                = 0x01,
236	PLLDDRLOCKP_ER                = 0x02,
237	PLLSOCLOCKP_ER                = 0x03,
238	PLLSOCK1LOCKP_ER              = 0x04,
239	ARMWFI_ER                     = 0x05,
240	SYSCLKOK_ER                   = 0x06,
241	I2C_NACK_DATA_ER              = 0x07,
242	BOOT_ER                       = 0x08,
243	I2C_STATUS_ALWAYS_1           = 0x0A,
244	I2C_NACK_REG_ADDR_ER          = 0x0B,
245	I2C_NACK_DATA0123_ER          = 0x1B,
246	I2C_NACK_ADDR_ER              = 0x1F,
247	CURAPPWRSTISNOT_BOOT          = 0x20,
248	CURAPPWRSTISNOT_EXECUTE       = 0x21,
249	CURAPPWRSTISNOT_SLEEPMODE     = 0x22,
250	CURAPPWRSTISNOT_CORRECTFORIT10 = 0x23,
251	FIFO4500WUISNOT_WUPEVENT      = 0x24,
252	PLL32KLOCKP_ER                = 0x29,
253	DDRDEEPSLEEPOK_ER             = 0x2A,
254	ROMCODEREADY_ER               = 0x50,
255	WUPBEFOREDS                   = 0x51,
256	DDRCONFIG_ER                  = 0x52,
257	WUPBEFORESLEEP                = 0x53,
258	WUPBEFOREIDLE                 = 0x54
259};  /* earlier called as  mbox_2_arm_stat */
260
261/**
262 * enum dvfs_stat - DVFS status messages definition
263 * @DVFS_GO: A state transition DVFS is on going
264 * @DVFS_ARM100OPPOK: The state transition DVFS has been completed for 100OPP
265 * @DVFS_ARM50OPPOK: The state transition DVFS has been completed for 50OPP
266 * @DVFS_ARMEXTCLKOK: The state transition DVFS has been completed for EXTCLK
267 * @DVFS_NOCHGTCLKOK: The state transition DVFS has been completed for
268 *                   NOCHGCLK
269 * @DVFS_INITSTATUS: Value init
270 */
271enum dvfs_stat {
272	DVFS_GO = 0xFF,
273	DVFS_ARM100OPPOK = 0xFE,
274	DVFS_ARM50OPPOK = 0xFD,
275	DVFS_ARMEXTCLKOK = 0xFC,
276	DVFS_NOCHGTCLKOK = 0xFB,
277	DVFS_INITSTATUS = 0x00
278};
279
280/**
281 * enum sva_mmdsp_stat - SVA MMDSP status messages
282 * @SVA_MMDSP_GO: SVAMMDSP interrupt has happened
283 * @SVA_MMDSP_INIT: Status init
284 */
285enum sva_mmdsp_stat {
286	SVA_MMDSP_GO = 0xFF,
287	SVA_MMDSP_INIT = 0x00
288};
289
290/**
291 * enum sia_mmdsp_stat - SIA MMDSP status messages
292 * @SIA_MMDSP_GO: SIAMMDSP interrupt has happened
293 * @SIA_MMDSP_INIT: Status init
294 */
295enum sia_mmdsp_stat {
296	SIA_MMDSP_GO = 0xFF,
297	SIA_MMDSP_INIT = 0x00
298};
299
300/**
301 * enum  mbox_to_arm_err - Error messages definition
302 * @INIT_ERR: Init value
303 * @PLLARMLOCKP_ERR: PLLARM has not been correctly locked in given time
304 * @PLLDDRLOCKP_ERR: PLLDDR has not been correctly locked in the given time
305 * @PLLSOC0LOCKP_ERR: PLLSOC0 has not been correctly locked in the given time
306 * @PLLSOC1LOCKP_ERR: PLLSOC1 has not been correctly locked in the given time
307 * @ARMWFI_ERR: The ARM WFI has not been correctly executed in the given time
308 * @SYSCLKOK_ERR: The SYSCLK is not available in the given time
309 * @BOOT_ERR: Romcode has not validated the XP70 self reset in the given time
310 * @ROMCODESAVECONTEXT: The Romcode didn.t correctly save it secure context
311 * @VARMHIGHSPEEDVALTO_ERR: The ARM high speed supply value transfered
312 *          through I2C has not been correctly executed in the given time
313 * @VARMHIGHSPEEDACCESS_ERR: The command value of VarmHighSpeedVal transfered
314 *             through I2C has not been correctly executed in the given time
315 * @VARMLOWSPEEDVALTO_ERR:The ARM low speed supply value transfered through
316 *                     I2C has not been correctly executed in the given time
317 * @VARMLOWSPEEDACCESS_ERR: The command value of VarmLowSpeedVal transfered
318 *             through I2C has not been correctly executed in the given time
319 * @VARMRETENTIONVALTO_ERR: The ARM retention supply value transfered through
320 *                     I2C has not been correctly executed in the given time
321 * @VARMRETENTIONACCESS_ERR: The command value of VarmRetentionVal transfered
322 *             through I2C has not been correctly executed in the given time
323 * @VAPEHIGHSPEEDVALTO_ERR: The APE highspeed supply value transfered through
324 *                     I2C has not been correctly executed in the given time
325 * @VSAFEHPVALTO_ERR: The SAFE high power supply value transfered through I2C
326 *                         has not been correctly executed in the given time
327 * @VMODSEL1VALTO_ERR: The MODEM sel1 supply value transfered through I2C has
328 *                             not been correctly executed in the given time
329 * @VMODSEL2VALTO_ERR: The MODEM sel2 supply value transfered through I2C has
330 *                             not been correctly executed in the given time
331 * @VARMOFFACCESS_ERR: The command value of Varm ON/OFF transfered through
332 *                     I2C has not been correctly executed in the given time
333 * @VAPEOFFACCESS_ERR: The command value of Vape ON/OFF transfered through
334 *                     I2C has not been correctly executed in the given time
335 * @VARMRETACCES_ERR: The command value of Varm retention ON/OFF transfered
336 *             through I2C has not been correctly executed in the given time
337 * @CURAPPWRSTISNOTBOOT:Generated when Arm want to do power state transition
338 *             ApBoot to ApExecute but the power current state is not Apboot
339 * @CURAPPWRSTISNOTEXECUTE: Generated when Arm want to do power state
340 *              transition from ApExecute to others power state but the
341 *              power current state is not ApExecute
342 * @CURAPPWRSTISNOTSLEEPMODE: Generated when wake up events are transmitted
343 *             but the power current state is not ApDeepSleep/ApSleep/ApIdle
344 * @CURAPPWRSTISNOTCORRECTDBG:  Generated when wake up events are transmitted
345 *              but the power current state is not correct
346 * @ARMREGU1VALTO_ERR:The ArmRegu1 value transferred through I2C has not
347 *                    been correctly executed in the given time
348 * @ARMREGU2VALTO_ERR: The ArmRegu2 value transferred through I2C has not
349 *                    been correctly executed in the given time
350 * @VAPEREGUVALTO_ERR: The VApeRegu value transfered through I2C has not
351 *                    been correctly executed in the given time
352 * @VSMPS3REGUVALTO_ERR: The VSmps3Regu value transfered through I2C has not
353 *                      been correctly executed in the given time
354 * @VMODREGUVALTO_ERR: The VModemRegu value transfered through I2C has not
355 *                    been correctly executed in the given time
356 */
357enum mbox_to_arm_err {
358	INIT_ERR = 0x00,
359	PLLARMLOCKP_ERR = 0x01,
360	PLLDDRLOCKP_ERR = 0x02,
361	PLLSOC0LOCKP_ERR = 0x03,
362	PLLSOC1LOCKP_ERR = 0x04,
363	ARMWFI_ERR = 0x05,
364	SYSCLKOK_ERR = 0x06,
365	BOOT_ERR = 0x07,
366	ROMCODESAVECONTEXT = 0x08,
367	VARMHIGHSPEEDVALTO_ERR = 0x10,
368	VARMHIGHSPEEDACCESS_ERR = 0x11,
369	VARMLOWSPEEDVALTO_ERR = 0x12,
370	VARMLOWSPEEDACCESS_ERR = 0x13,
371	VARMRETENTIONVALTO_ERR = 0x14,
372	VARMRETENTIONACCESS_ERR = 0x15,
373	VAPEHIGHSPEEDVALTO_ERR = 0x16,
374	VSAFEHPVALTO_ERR = 0x17,
375	VMODSEL1VALTO_ERR = 0x18,
376	VMODSEL2VALTO_ERR = 0x19,
377	VARMOFFACCESS_ERR = 0x1A,
378	VAPEOFFACCESS_ERR = 0x1B,
379	VARMRETACCES_ERR = 0x1C,
380	CURAPPWRSTISNOTBOOT = 0x20,
381	CURAPPWRSTISNOTEXECUTE = 0x21,
382	CURAPPWRSTISNOTSLEEPMODE = 0x22,
383	CURAPPWRSTISNOTCORRECTDBG = 0x23,
384	ARMREGU1VALTO_ERR = 0x24,
385	ARMREGU2VALTO_ERR = 0x25,
386	VAPEREGUVALTO_ERR = 0x26,
387	VSMPS3REGUVALTO_ERR = 0x27,
388	VMODREGUVALTO_ERR = 0x28
389};
390
391enum hw_acc {
392	SVAMMDSP = 0,
393	SVAPIPE = 1,
394	SIAMMDSP = 2,
395	SIAPIPE = 3,
396	SGA = 4,
397	B2R2MCDE = 5,
398	ESRAM12 = 6,
399	ESRAM34 = 7,
400};
401
402enum cs_pwrmgt {
403	PWRDNCS0  = 0,
404	WKUPCS0   = 1,
405	PWRDNCS1  = 2,
406	WKUPCS1   = 3
407};
408
409/* Defs related to autonomous power management */
410
411/**
412 * enum sia_sva_pwr_policy - Power policy
413 * @NO_CHGT:	No change
414 * @DSPOFF_HWPOFF:
415 * @DSPOFFRAMRET_HWPOFF:
416 * @DSPCLKOFF_HWPOFF:
417 * @DSPCLKOFF_HWPCLKOFF:
418 *
419 */
420enum sia_sva_pwr_policy {
421	NO_CHGT			= 0x0,
422	DSPOFF_HWPOFF		= 0x1,
423	DSPOFFRAMRET_HWPOFF	= 0x2,
424	DSPCLKOFF_HWPOFF	= 0x3,
425	DSPCLKOFF_HWPCLKOFF	= 0x4,
426};
427
428/**
429 * enum auto_enable - Auto Power enable
430 * @AUTO_OFF:
431 * @AUTO_ON:
432 *
433 */
434enum auto_enable {
435	AUTO_OFF	= 0x0,
436	AUTO_ON		= 0x1,
437};
438
439/* End of file previously known as prcmu-fw-defs_v1.h */
440
441/**
442 * enum prcmu_power_status - results from set_power_state
443 * @PRCMU_SLEEP_OK: Sleep went ok
444 * @PRCMU_DEEP_SLEEP_OK: DeepSleep went ok
445 * @PRCMU_IDLE_OK: Idle went ok
446 * @PRCMU_DEEPIDLE_OK: DeepIdle went ok
447 * @PRCMU_PRCMU2ARMPENDINGIT_ER: Pending interrupt detected
448 * @PRCMU_ARMPENDINGIT_ER: Pending interrupt detected
449 *
450 */
451enum prcmu_power_status {
452	PRCMU_SLEEP_OK			= 0xf3,
453	PRCMU_DEEP_SLEEP_OK		= 0xf6,
454	PRCMU_IDLE_OK			= 0xf0,
455	PRCMU_DEEPIDLE_OK		= 0xe3,
456	PRCMU_PRCMU2ARMPENDINGIT_ER	= 0x91,
457	PRCMU_ARMPENDINGIT_ER		= 0x93,
458};
459
460/*
461 * Definitions for autonomous power management configuration.
462 */
463
464#define PRCMU_AUTO_PM_OFF 0
465#define PRCMU_AUTO_PM_ON 1
466
467#define PRCMU_AUTO_PM_POWER_ON_HSEM BIT(0)
468#define PRCMU_AUTO_PM_POWER_ON_ABB_FIFO_IT BIT(1)
469
470enum prcmu_auto_pm_policy {
471	PRCMU_AUTO_PM_POLICY_NO_CHANGE,
472	PRCMU_AUTO_PM_POLICY_DSP_OFF_HWP_OFF,
473	PRCMU_AUTO_PM_POLICY_DSP_OFF_RAMRET_HWP_OFF,
474	PRCMU_AUTO_PM_POLICY_DSP_CLK_OFF_HWP_OFF,
475	PRCMU_AUTO_PM_POLICY_DSP_CLK_OFF_HWP_CLK_OFF,
476};
477
478/**
479 * struct prcmu_auto_pm_config - Autonomous power management configuration.
480 * @sia_auto_pm_enable: SIA autonomous pm enable. (PRCMU_AUTO_PM_{OFF,ON})
481 * @sia_power_on:       SIA power ON enable. (PRCMU_AUTO_PM_POWER_ON_* bitmask)
482 * @sia_policy:         SIA power policy. (enum prcmu_auto_pm_policy)
483 * @sva_auto_pm_enable: SVA autonomous pm enable. (PRCMU_AUTO_PM_{OFF,ON})
484 * @sva_power_on:       SVA power ON enable. (PRCMU_AUTO_PM_POWER_ON_* bitmask)
485 * @sva_policy:         SVA power policy. (enum prcmu_auto_pm_policy)
486 */
487struct prcmu_auto_pm_config {
488	u8 sia_auto_pm_enable;
489	u8 sia_power_on;
490	u8 sia_policy;
491	u8 sva_auto_pm_enable;
492	u8 sva_power_on;
493	u8 sva_policy;
494};
495
496#define PRCMU_FW_PROJECT_U8500		2
497#define PRCMU_FW_PROJECT_U9500		4
498#define PRCMU_FW_PROJECT_U8500_C2	7
499#define PRCMU_FW_PROJECT_U9500_C2	11
500#define PRCMU_FW_PROJECT_U8520		13
501#define PRCMU_FW_PROJECT_U8420		14
502
503struct prcmu_fw_version {
504	u8 project;
505	u8 api_version;
506	u8 func_version;
507	u8 errata;
508};
509
510#ifdef CONFIG_MFD_DB8500_PRCMU
511
512void db8500_prcmu_early_init(void);
513int prcmu_set_rc_a2p(enum romcode_write);
514enum romcode_read prcmu_get_rc_p2a(void);
515enum ap_pwrst prcmu_get_xp70_current_state(void);
516bool prcmu_has_arm_maxopp(void);
517struct prcmu_fw_version *prcmu_get_fw_version(void);
518int prcmu_request_ape_opp_100_voltage(bool enable);
519int prcmu_release_usb_wakeup_state(void);
520void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
521	struct prcmu_auto_pm_config *idle);
522bool prcmu_is_auto_pm_enabled(void);
523
524int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
525int prcmu_set_clock_divider(u8 clock, u8 divider);
526int db8500_prcmu_config_hotdog(u8 threshold);
527int db8500_prcmu_config_hotmon(u8 low, u8 high);
528int db8500_prcmu_start_temp_sense(u16 cycles32k);
529int db8500_prcmu_stop_temp_sense(void);
530int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
531int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
532
533void prcmu_ac_wake_req(void);
534void prcmu_ac_sleep_req(void);
535void db8500_prcmu_modem_reset(void);
536
537int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off);
538int db8500_prcmu_enable_a9wdog(u8 id);
539int db8500_prcmu_disable_a9wdog(u8 id);
540int db8500_prcmu_kick_a9wdog(u8 id);
541int db8500_prcmu_load_a9wdog(u8 id, u32 val);
542
543void db8500_prcmu_system_reset(u16 reset_code);
544int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll);
545u8 db8500_prcmu_get_power_state_result(void);
546int db8500_prcmu_gic_decouple(void);
547int db8500_prcmu_gic_recouple(void);
548int db8500_prcmu_copy_gic_settings(void);
549bool db8500_prcmu_gic_pending_irq(void);
550bool db8500_prcmu_pending_irq(void);
551bool db8500_prcmu_is_cpu_in_wfi(int cpu);
552void db8500_prcmu_enable_wakeups(u32 wakeups);
553int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state);
554int db8500_prcmu_request_clock(u8 clock, bool enable);
555int db8500_prcmu_set_display_clocks(void);
556int db8500_prcmu_disable_dsipll(void);
557int db8500_prcmu_enable_dsipll(void);
558void db8500_prcmu_config_abb_event_readout(u32 abb_events);
559void db8500_prcmu_get_abb_event_buffer(void __iomem **buf);
560int db8500_prcmu_config_esram0_deep_sleep(u8 state);
561u16 db8500_prcmu_get_reset_code(void);
562bool db8500_prcmu_is_ac_wake_requested(void);
563int db8500_prcmu_set_arm_opp(u8 opp);
564int db8500_prcmu_get_arm_opp(void);
565int db8500_prcmu_set_ape_opp(u8 opp);
566int db8500_prcmu_get_ape_opp(void);
567int db8500_prcmu_set_ddr_opp(u8 opp);
568int db8500_prcmu_get_ddr_opp(void);
569
570u32 db8500_prcmu_read(unsigned int reg);
571void db8500_prcmu_write(unsigned int reg, u32 value);
572void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value);
573
574#else /* !CONFIG_MFD_DB8500_PRCMU */
575
576static inline void db8500_prcmu_early_init(void) {}
577
578static inline int prcmu_set_rc_a2p(enum romcode_write code)
579{
580	return 0;
581}
582
583static inline enum romcode_read prcmu_get_rc_p2a(void)
584{
585	return INIT;
586}
587
588static inline enum ap_pwrst prcmu_get_xp70_current_state(void)
589{
590	return AP_EXECUTE;
591}
592
593static inline bool prcmu_has_arm_maxopp(void)
594{
595	return false;
596}
597
598static inline struct prcmu_fw_version *prcmu_get_fw_version(void)
599{
600	return NULL;
601}
602
603static inline int db8500_prcmu_set_ape_opp(u8 opp)
604{
605	return 0;
606}
607
608static inline int db8500_prcmu_get_ape_opp(void)
609{
610	return APE_100_OPP;
611}
612
613static inline int prcmu_request_ape_opp_100_voltage(bool enable)
614{
615	return 0;
616}
617
618static inline int prcmu_release_usb_wakeup_state(void)
619{
620	return 0;
621}
622
623static inline int db8500_prcmu_set_ddr_opp(u8 opp)
624{
625	return 0;
626}
627
628static inline int db8500_prcmu_get_ddr_opp(void)
629{
630	return DDR_100_OPP;
631}
632
633static inline void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
634	struct prcmu_auto_pm_config *idle)
635{
636}
637
638static inline bool prcmu_is_auto_pm_enabled(void)
639{
640	return false;
641}
642
643static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
644{
645	return 0;
646}
647
648static inline int prcmu_set_clock_divider(u8 clock, u8 divider)
649{
650	return 0;
651}
652
653static inline int db8500_prcmu_config_hotdog(u8 threshold)
654{
655	return 0;
656}
657
658static inline int db8500_prcmu_config_hotmon(u8 low, u8 high)
659{
660	return 0;
661}
662
663static inline int db8500_prcmu_start_temp_sense(u16 cycles32k)
664{
665	return 0;
666}
667
668static inline int db8500_prcmu_stop_temp_sense(void)
669{
670	return 0;
671}
672
673static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
674{
675	return -ENOSYS;
676}
677
678static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
679{
680	return -ENOSYS;
681}
682
683static inline void prcmu_ac_wake_req(void) {}
684
685static inline void prcmu_ac_sleep_req(void) {}
686
687static inline void db8500_prcmu_modem_reset(void) {}
688
689static inline void db8500_prcmu_system_reset(u16 reset_code) {}
690
691static inline int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk,
692	bool keep_ap_pll)
693{
694	return 0;
695}
696
697static inline u8 db8500_prcmu_get_power_state_result(void)
698{
699	return 0;
700}
701
702static inline void db8500_prcmu_enable_wakeups(u32 wakeups) {}
703
704static inline int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state)
705{
706	return 0;
707}
708
709static inline int db8500_prcmu_request_clock(u8 clock, bool enable)
710{
711	return 0;
712}
713
714static inline int db8500_prcmu_set_display_clocks(void)
715{
716	return 0;
717}
718
719static inline int db8500_prcmu_disable_dsipll(void)
720{
721	return 0;
722}
723
724static inline int db8500_prcmu_enable_dsipll(void)
725{
726	return 0;
727}
728
729static inline int db8500_prcmu_config_esram0_deep_sleep(u8 state)
730{
731	return 0;
732}
733
734static inline void db8500_prcmu_config_abb_event_readout(u32 abb_events) {}
735
736static inline void db8500_prcmu_get_abb_event_buffer(void __iomem **buf) {}
737
738static inline u16 db8500_prcmu_get_reset_code(void)
739{
740	return 0;
741}
742
743static inline int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
744{
745	return 0;
746}
747
748static inline int db8500_prcmu_enable_a9wdog(u8 id)
749{
750	return 0;
751}
752
753static inline int db8500_prcmu_disable_a9wdog(u8 id)
754{
755	return 0;
756}
757
758static inline int db8500_prcmu_kick_a9wdog(u8 id)
759{
760	return 0;
761}
762
763static inline int db8500_prcmu_load_a9wdog(u8 id, u32 val)
764{
765	return 0;
766}
767
768static inline bool db8500_prcmu_is_ac_wake_requested(void)
769{
770	return 0;
771}
772
773static inline int db8500_prcmu_set_arm_opp(u8 opp)
774{
775	return 0;
776}
777
778static inline int db8500_prcmu_get_arm_opp(void)
779{
780	return 0;
781}
782
783static inline u32 db8500_prcmu_read(unsigned int reg)
784{
785	return 0;
786}
787
788static inline void db8500_prcmu_write(unsigned int reg, u32 value) {}
789
790static inline void db8500_prcmu_write_masked(unsigned int reg, u32 mask,
791	u32 value) {}
792
793#endif /* !CONFIG_MFD_DB8500_PRCMU */
794
795#endif /* __MFD_DB8500_PRCMU_H */
796