xref: /openbmc/linux/include/linux/mfd/db8500-prcmu.h (revision 1c7c1488)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) STMicroelectronics 2009
4  * Copyright (C) ST-Ericsson SA 2010
5  *
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_LINE_VALUE 0x170
20 #define DB8500_PRCM_LINE_VALUE_HSI_CAWAKE0	BIT(3)
21 
22 #define DB8500_PRCM_DSI_SW_RESET 0x324
23 #define DB8500_PRCM_DSI_SW_RESET_DSI0_SW_RESETN BIT(0)
24 #define DB8500_PRCM_DSI_SW_RESET_DSI1_SW_RESETN BIT(1)
25 #define DB8500_PRCM_DSI_SW_RESET_DSI2_SW_RESETN BIT(2)
26 
27 /* This portion previously known as <mach/prcmu-fw-defs_v1.h> */
28 
29 /**
30  * enum state - ON/OFF state definition
31  * @OFF: State is ON
32  * @ON: State is OFF
33  *
34  */
35 enum state {
36 	OFF = 0x0,
37 	ON  = 0x1,
38 };
39 
40 /**
41  * enum ret_state - general purpose On/Off/Retention states
42  *
43  */
44 enum ret_state {
45 	OFFST = 0,
46 	ONST  = 1,
47 	RETST = 2
48 };
49 
50 /**
51  * enum clk_arm - ARM Cortex A9 clock schemes
52  * @A9_OFF:
53  * @A9_BOOT:
54  * @A9_OPPT1:
55  * @A9_OPPT2:
56  * @A9_EXTCLK:
57  */
58 enum clk_arm {
59 	A9_OFF,
60 	A9_BOOT,
61 	A9_OPPT1,
62 	A9_OPPT2,
63 	A9_EXTCLK
64 };
65 
66 /**
67  * enum clk_gen - GEN#0/GEN#1 clock schemes
68  * @GEN_OFF:
69  * @GEN_BOOT:
70  * @GEN_OPPT1:
71  */
72 enum clk_gen {
73 	GEN_OFF,
74 	GEN_BOOT,
75 	GEN_OPPT1,
76 };
77 
78 /* some information between arm and xp70 */
79 
80 /**
81  * enum romcode_write - Romcode message written by A9 AND read by XP70
82  * @RDY_2_DS: Value set when ApDeepSleep state can be executed by XP70
83  * @RDY_2_XP70_RST: Value set when 0x0F has been successfully polled by the
84  *                 romcode. The xp70 will go into self-reset
85  */
86 enum romcode_write {
87 	RDY_2_DS = 0x09,
88 	RDY_2_XP70_RST = 0x10
89 };
90 
91 /**
92  * enum romcode_read - Romcode message written by XP70 and read by A9
93  * @INIT: Init value when romcode field is not used
94  * @FS_2_DS: Value set when power state is going from ApExecute to
95  *          ApDeepSleep
96  * @END_DS: Value set when ApDeepSleep power state is reached coming from
97  *         ApExecute state
98  * @DS_TO_FS: Value set when power state is going from ApDeepSleep to
99  *           ApExecute
100  * @END_FS: Value set when ApExecute power state is reached coming from
101  *         ApDeepSleep state
102  * @SWR: Value set when power state is going to ApReset
103  * @END_SWR: Value set when the xp70 finished executing ApReset actions and
104  *          waits for romcode acknowledgment to go to self-reset
105  */
106 enum romcode_read {
107 	INIT = 0x00,
108 	FS_2_DS = 0x0A,
109 	END_DS = 0x0B,
110 	DS_TO_FS = 0x0C,
111 	END_FS = 0x0D,
112 	SWR = 0x0E,
113 	END_SWR = 0x0F
114 };
115 
116 /**
117  * enum ap_pwrst - current power states defined in PRCMU firmware
118  * @NO_PWRST: Current power state init
119  * @AP_BOOT: Current power state is apBoot
120  * @AP_EXECUTE: Current power state is apExecute
121  * @AP_DEEP_SLEEP: Current power state is apDeepSleep
122  * @AP_SLEEP: Current power state is apSleep
123  * @AP_IDLE: Current power state is apIdle
124  * @AP_RESET: Current power state is apReset
125  */
126 enum ap_pwrst {
127 	NO_PWRST = 0x00,
128 	AP_BOOT = 0x01,
129 	AP_EXECUTE = 0x02,
130 	AP_DEEP_SLEEP = 0x03,
131 	AP_SLEEP = 0x04,
132 	AP_IDLE = 0x05,
133 	AP_RESET = 0x06
134 };
135 
136 /**
137  * enum ap_pwrst_trans - Transition states defined in PRCMU firmware
138  * @NO_TRANSITION: No power state transition
139  * @APEXECUTE_TO_APSLEEP: Power state transition from ApExecute to ApSleep
140  * @APIDLE_TO_APSLEEP: Power state transition from ApIdle to ApSleep
141  * @APBOOT_TO_APEXECUTE: Power state transition from ApBoot to ApExecute
142  * @APEXECUTE_TO_APDEEPSLEEP: Power state transition from ApExecute to
143  *                          ApDeepSleep
144  * @APEXECUTE_TO_APIDLE: Power state transition from ApExecute to ApIdle
145  */
146 enum ap_pwrst_trans {
147 	PRCMU_AP_NO_CHANGE		= 0x00,
148 	APEXECUTE_TO_APSLEEP		= 0x01,
149 	APIDLE_TO_APSLEEP		= 0x02, /* To be removed */
150 	PRCMU_AP_SLEEP			= 0x01,
151 	APBOOT_TO_APEXECUTE		= 0x03,
152 	APEXECUTE_TO_APDEEPSLEEP	= 0x04, /* To be removed */
153 	PRCMU_AP_DEEP_SLEEP		= 0x04,
154 	APEXECUTE_TO_APIDLE		= 0x05, /* To be removed */
155 	PRCMU_AP_IDLE			= 0x05,
156 	PRCMU_AP_DEEP_IDLE		= 0x07,
157 };
158 
159 /**
160  * enum hw_acc_state - State definition for hardware accelerator
161  * @HW_NO_CHANGE: The hardware accelerator state must remain unchanged
162  * @HW_OFF: The hardware accelerator must be switched off
163  * @HW_OFF_RAMRET: The hardware accelerator must be switched off with its
164  *               internal RAM in retention
165  * @HW_ON: The hwa hardware accelerator hwa must be switched on
166  *
167  * NOTE! Deprecated, to be removed when all users switched over to use the
168  * regulator API.
169  */
170 enum hw_acc_state {
171 	HW_NO_CHANGE = 0x00,
172 	HW_OFF = 0x01,
173 	HW_OFF_RAMRET = 0x02,
174 	HW_ON = 0x04
175 };
176 
177 /**
178  * enum  mbox_2_arm_stat - Status messages definition for mbox_arm
179  * @BOOT_TO_EXECUTEOK: The apBoot to apExecute state transition has been
180  *                    completed
181  * @DEEPSLEEPOK: The apExecute to apDeepSleep state transition has been
182  *              completed
183  * @SLEEPOK: The apExecute to apSleep state transition has been completed
184  * @IDLEOK: The apExecute to apIdle state transition has been completed
185  * @SOFTRESETOK: The A9 watchdog/ SoftReset state has been completed
186  * @SOFTRESETGO : The A9 watchdog/SoftReset state is on going
187  * @BOOT_TO_EXECUTE: The apBoot to apExecute state transition is on going
188  * @EXECUTE_TO_DEEPSLEEP: The apExecute to apDeepSleep state transition is on
189  *                       going
190  * @DEEPSLEEP_TO_EXECUTE: The apDeepSleep to apExecute state transition is on
191  *                       going
192  * @DEEPSLEEP_TO_EXECUTEOK: The apDeepSleep to apExecute state transition has
193  *                         been completed
194  * @EXECUTE_TO_SLEEP: The apExecute to apSleep state transition is on going
195  * @SLEEP_TO_EXECUTE: The apSleep to apExecute state transition is on going
196  * @SLEEP_TO_EXECUTEOK: The apSleep to apExecute state transition has been
197  *                     completed
198  * @EXECUTE_TO_IDLE: The apExecute to apIdle state transition is on going
199  * @IDLE_TO_EXECUTE: The apIdle to apExecute state transition is on going
200  * @IDLE_TO_EXECUTEOK: The apIdle to apExecute state transition has been
201  *                    completed
202  * @INIT_STATUS: Status init
203  */
204 enum ap_pwrsttr_status {
205 	BOOT_TO_EXECUTEOK = 0xFF,
206 	DEEPSLEEPOK = 0xFE,
207 	SLEEPOK = 0xFD,
208 	IDLEOK = 0xFC,
209 	SOFTRESETOK = 0xFB,
210 	SOFTRESETGO = 0xFA,
211 	BOOT_TO_EXECUTE = 0xF9,
212 	EXECUTE_TO_DEEPSLEEP = 0xF8,
213 	DEEPSLEEP_TO_EXECUTE = 0xF7,
214 	DEEPSLEEP_TO_EXECUTEOK = 0xF6,
215 	EXECUTE_TO_SLEEP = 0xF5,
216 	SLEEP_TO_EXECUTE = 0xF4,
217 	SLEEP_TO_EXECUTEOK = 0xF3,
218 	EXECUTE_TO_IDLE = 0xF2,
219 	IDLE_TO_EXECUTE = 0xF1,
220 	IDLE_TO_EXECUTEOK = 0xF0,
221 	RDYTODS_RETURNTOEXE    = 0xEF,
222 	NORDYTODS_RETURNTOEXE  = 0xEE,
223 	EXETOSLEEP_RETURNTOEXE = 0xED,
224 	EXETOIDLE_RETURNTOEXE  = 0xEC,
225 	INIT_STATUS = 0xEB,
226 
227 	/*error messages */
228 	INITERROR                     = 0x00,
229 	PLLARMLOCKP_ER                = 0x01,
230 	PLLDDRLOCKP_ER                = 0x02,
231 	PLLSOCLOCKP_ER                = 0x03,
232 	PLLSOCK1LOCKP_ER              = 0x04,
233 	ARMWFI_ER                     = 0x05,
234 	SYSCLKOK_ER                   = 0x06,
235 	I2C_NACK_DATA_ER              = 0x07,
236 	BOOT_ER                       = 0x08,
237 	I2C_STATUS_ALWAYS_1           = 0x0A,
238 	I2C_NACK_REG_ADDR_ER          = 0x0B,
239 	I2C_NACK_DATA0123_ER          = 0x1B,
240 	I2C_NACK_ADDR_ER              = 0x1F,
241 	CURAPPWRSTISNOT_BOOT          = 0x20,
242 	CURAPPWRSTISNOT_EXECUTE       = 0x21,
243 	CURAPPWRSTISNOT_SLEEPMODE     = 0x22,
244 	CURAPPWRSTISNOT_CORRECTFORIT10 = 0x23,
245 	FIFO4500WUISNOT_WUPEVENT      = 0x24,
246 	PLL32KLOCKP_ER                = 0x29,
247 	DDRDEEPSLEEPOK_ER             = 0x2A,
248 	ROMCODEREADY_ER               = 0x50,
249 	WUPBEFOREDS                   = 0x51,
250 	DDRCONFIG_ER                  = 0x52,
251 	WUPBEFORESLEEP                = 0x53,
252 	WUPBEFOREIDLE                 = 0x54
253 };  /* earlier called as  mbox_2_arm_stat */
254 
255 /**
256  * enum dvfs_stat - DVFS status messages definition
257  * @DVFS_GO: A state transition DVFS is on going
258  * @DVFS_ARM100OPPOK: The state transition DVFS has been completed for 100OPP
259  * @DVFS_ARM50OPPOK: The state transition DVFS has been completed for 50OPP
260  * @DVFS_ARMEXTCLKOK: The state transition DVFS has been completed for EXTCLK
261  * @DVFS_NOCHGTCLKOK: The state transition DVFS has been completed for
262  *                   NOCHGCLK
263  * @DVFS_INITSTATUS: Value init
264  */
265 enum dvfs_stat {
266 	DVFS_GO = 0xFF,
267 	DVFS_ARM100OPPOK = 0xFE,
268 	DVFS_ARM50OPPOK = 0xFD,
269 	DVFS_ARMEXTCLKOK = 0xFC,
270 	DVFS_NOCHGTCLKOK = 0xFB,
271 	DVFS_INITSTATUS = 0x00
272 };
273 
274 /**
275  * enum sva_mmdsp_stat - SVA MMDSP status messages
276  * @SVA_MMDSP_GO: SVAMMDSP interrupt has happened
277  * @SVA_MMDSP_INIT: Status init
278  */
279 enum sva_mmdsp_stat {
280 	SVA_MMDSP_GO = 0xFF,
281 	SVA_MMDSP_INIT = 0x00
282 };
283 
284 /**
285  * enum sia_mmdsp_stat - SIA MMDSP status messages
286  * @SIA_MMDSP_GO: SIAMMDSP interrupt has happened
287  * @SIA_MMDSP_INIT: Status init
288  */
289 enum sia_mmdsp_stat {
290 	SIA_MMDSP_GO = 0xFF,
291 	SIA_MMDSP_INIT = 0x00
292 };
293 
294 /**
295  * enum  mbox_to_arm_err - Error messages definition
296  * @INIT_ERR: Init value
297  * @PLLARMLOCKP_ERR: PLLARM has not been correctly locked in given time
298  * @PLLDDRLOCKP_ERR: PLLDDR has not been correctly locked in the given time
299  * @PLLSOC0LOCKP_ERR: PLLSOC0 has not been correctly locked in the given time
300  * @PLLSOC1LOCKP_ERR: PLLSOC1 has not been correctly locked in the given time
301  * @ARMWFI_ERR: The ARM WFI has not been correctly executed in the given time
302  * @SYSCLKOK_ERR: The SYSCLK is not available in the given time
303  * @BOOT_ERR: Romcode has not validated the XP70 self reset in the given time
304  * @ROMCODESAVECONTEXT: The Romcode didn.t correctly save it secure context
305  * @VARMHIGHSPEEDVALTO_ERR: The ARM high speed supply value transfered
306  *          through I2C has not been correctly executed in the given time
307  * @VARMHIGHSPEEDACCESS_ERR: The command value of VarmHighSpeedVal transfered
308  *             through I2C has not been correctly executed in the given time
309  * @VARMLOWSPEEDVALTO_ERR:The ARM low speed supply value transfered through
310  *                     I2C has not been correctly executed in the given time
311  * @VARMLOWSPEEDACCESS_ERR: The command value of VarmLowSpeedVal transfered
312  *             through I2C has not been correctly executed in the given time
313  * @VARMRETENTIONVALTO_ERR: The ARM retention supply value transfered through
314  *                     I2C has not been correctly executed in the given time
315  * @VARMRETENTIONACCESS_ERR: The command value of VarmRetentionVal transfered
316  *             through I2C has not been correctly executed in the given time
317  * @VAPEHIGHSPEEDVALTO_ERR: The APE highspeed supply value transfered through
318  *                     I2C has not been correctly executed in the given time
319  * @VSAFEHPVALTO_ERR: The SAFE high power supply value transfered through I2C
320  *                         has not been correctly executed in the given time
321  * @VMODSEL1VALTO_ERR: The MODEM sel1 supply value transfered through I2C has
322  *                             not been correctly executed in the given time
323  * @VMODSEL2VALTO_ERR: The MODEM sel2 supply value transfered through I2C has
324  *                             not been correctly executed in the given time
325  * @VARMOFFACCESS_ERR: The command value of Varm ON/OFF transfered through
326  *                     I2C has not been correctly executed in the given time
327  * @VAPEOFFACCESS_ERR: The command value of Vape ON/OFF transfered through
328  *                     I2C has not been correctly executed in the given time
329  * @VARMRETACCES_ERR: The command value of Varm retention ON/OFF transfered
330  *             through I2C has not been correctly executed in the given time
331  * @CURAPPWRSTISNOTBOOT:Generated when Arm want to do power state transition
332  *             ApBoot to ApExecute but the power current state is not Apboot
333  * @CURAPPWRSTISNOTEXECUTE: Generated when Arm want to do power state
334  *              transition from ApExecute to others power state but the
335  *              power current state is not ApExecute
336  * @CURAPPWRSTISNOTSLEEPMODE: Generated when wake up events are transmitted
337  *             but the power current state is not ApDeepSleep/ApSleep/ApIdle
338  * @CURAPPWRSTISNOTCORRECTDBG:  Generated when wake up events are transmitted
339  *              but the power current state is not correct
340  * @ARMREGU1VALTO_ERR:The ArmRegu1 value transferred through I2C has not
341  *                    been correctly executed in the given time
342  * @ARMREGU2VALTO_ERR: The ArmRegu2 value transferred through I2C has not
343  *                    been correctly executed in the given time
344  * @VAPEREGUVALTO_ERR: The VApeRegu value transfered through I2C has not
345  *                    been correctly executed in the given time
346  * @VSMPS3REGUVALTO_ERR: The VSmps3Regu value transfered through I2C has not
347  *                      been correctly executed in the given time
348  * @VMODREGUVALTO_ERR: The VModemRegu value transfered through I2C has not
349  *                    been correctly executed in the given time
350  */
351 enum mbox_to_arm_err {
352 	INIT_ERR = 0x00,
353 	PLLARMLOCKP_ERR = 0x01,
354 	PLLDDRLOCKP_ERR = 0x02,
355 	PLLSOC0LOCKP_ERR = 0x03,
356 	PLLSOC1LOCKP_ERR = 0x04,
357 	ARMWFI_ERR = 0x05,
358 	SYSCLKOK_ERR = 0x06,
359 	BOOT_ERR = 0x07,
360 	ROMCODESAVECONTEXT = 0x08,
361 	VARMHIGHSPEEDVALTO_ERR = 0x10,
362 	VARMHIGHSPEEDACCESS_ERR = 0x11,
363 	VARMLOWSPEEDVALTO_ERR = 0x12,
364 	VARMLOWSPEEDACCESS_ERR = 0x13,
365 	VARMRETENTIONVALTO_ERR = 0x14,
366 	VARMRETENTIONACCESS_ERR = 0x15,
367 	VAPEHIGHSPEEDVALTO_ERR = 0x16,
368 	VSAFEHPVALTO_ERR = 0x17,
369 	VMODSEL1VALTO_ERR = 0x18,
370 	VMODSEL2VALTO_ERR = 0x19,
371 	VARMOFFACCESS_ERR = 0x1A,
372 	VAPEOFFACCESS_ERR = 0x1B,
373 	VARMRETACCES_ERR = 0x1C,
374 	CURAPPWRSTISNOTBOOT = 0x20,
375 	CURAPPWRSTISNOTEXECUTE = 0x21,
376 	CURAPPWRSTISNOTSLEEPMODE = 0x22,
377 	CURAPPWRSTISNOTCORRECTDBG = 0x23,
378 	ARMREGU1VALTO_ERR = 0x24,
379 	ARMREGU2VALTO_ERR = 0x25,
380 	VAPEREGUVALTO_ERR = 0x26,
381 	VSMPS3REGUVALTO_ERR = 0x27,
382 	VMODREGUVALTO_ERR = 0x28
383 };
384 
385 enum hw_acc {
386 	SVAMMDSP = 0,
387 	SVAPIPE = 1,
388 	SIAMMDSP = 2,
389 	SIAPIPE = 3,
390 	SGA = 4,
391 	B2R2MCDE = 5,
392 	ESRAM12 = 6,
393 	ESRAM34 = 7,
394 };
395 
396 enum cs_pwrmgt {
397 	PWRDNCS0  = 0,
398 	WKUPCS0   = 1,
399 	PWRDNCS1  = 2,
400 	WKUPCS1   = 3
401 };
402 
403 /* Defs related to autonomous power management */
404 
405 /**
406  * enum sia_sva_pwr_policy - Power policy
407  * @NO_CHGT:	No change
408  * @DSPOFF_HWPOFF:
409  * @DSPOFFRAMRET_HWPOFF:
410  * @DSPCLKOFF_HWPOFF:
411  * @DSPCLKOFF_HWPCLKOFF:
412  *
413  */
414 enum sia_sva_pwr_policy {
415 	NO_CHGT			= 0x0,
416 	DSPOFF_HWPOFF		= 0x1,
417 	DSPOFFRAMRET_HWPOFF	= 0x2,
418 	DSPCLKOFF_HWPOFF	= 0x3,
419 	DSPCLKOFF_HWPCLKOFF	= 0x4,
420 };
421 
422 /**
423  * enum auto_enable - Auto Power enable
424  * @AUTO_OFF:
425  * @AUTO_ON:
426  *
427  */
428 enum auto_enable {
429 	AUTO_OFF	= 0x0,
430 	AUTO_ON		= 0x1,
431 };
432 
433 /* End of file previously known as prcmu-fw-defs_v1.h */
434 
435 /**
436  * enum prcmu_power_status - results from set_power_state
437  * @PRCMU_SLEEP_OK: Sleep went ok
438  * @PRCMU_DEEP_SLEEP_OK: DeepSleep went ok
439  * @PRCMU_IDLE_OK: Idle went ok
440  * @PRCMU_DEEPIDLE_OK: DeepIdle went ok
441  * @PRCMU_PRCMU2ARMPENDINGIT_ER: Pending interrupt detected
442  * @PRCMU_ARMPENDINGIT_ER: Pending interrupt detected
443  *
444  */
445 enum prcmu_power_status {
446 	PRCMU_SLEEP_OK			= 0xf3,
447 	PRCMU_DEEP_SLEEP_OK		= 0xf6,
448 	PRCMU_IDLE_OK			= 0xf0,
449 	PRCMU_DEEPIDLE_OK		= 0xe3,
450 	PRCMU_PRCMU2ARMPENDINGIT_ER	= 0x91,
451 	PRCMU_ARMPENDINGIT_ER		= 0x93,
452 };
453 
454 /*
455  * Definitions for autonomous power management configuration.
456  */
457 
458 #define PRCMU_AUTO_PM_OFF 0
459 #define PRCMU_AUTO_PM_ON 1
460 
461 #define PRCMU_AUTO_PM_POWER_ON_HSEM BIT(0)
462 #define PRCMU_AUTO_PM_POWER_ON_ABB_FIFO_IT BIT(1)
463 
464 enum prcmu_auto_pm_policy {
465 	PRCMU_AUTO_PM_POLICY_NO_CHANGE,
466 	PRCMU_AUTO_PM_POLICY_DSP_OFF_HWP_OFF,
467 	PRCMU_AUTO_PM_POLICY_DSP_OFF_RAMRET_HWP_OFF,
468 	PRCMU_AUTO_PM_POLICY_DSP_CLK_OFF_HWP_OFF,
469 	PRCMU_AUTO_PM_POLICY_DSP_CLK_OFF_HWP_CLK_OFF,
470 };
471 
472 /**
473  * struct prcmu_auto_pm_config - Autonomous power management configuration.
474  * @sia_auto_pm_enable: SIA autonomous pm enable. (PRCMU_AUTO_PM_{OFF,ON})
475  * @sia_power_on:       SIA power ON enable. (PRCMU_AUTO_PM_POWER_ON_* bitmask)
476  * @sia_policy:         SIA power policy. (enum prcmu_auto_pm_policy)
477  * @sva_auto_pm_enable: SVA autonomous pm enable. (PRCMU_AUTO_PM_{OFF,ON})
478  * @sva_power_on:       SVA power ON enable. (PRCMU_AUTO_PM_POWER_ON_* bitmask)
479  * @sva_policy:         SVA power policy. (enum prcmu_auto_pm_policy)
480  */
481 struct prcmu_auto_pm_config {
482 	u8 sia_auto_pm_enable;
483 	u8 sia_power_on;
484 	u8 sia_policy;
485 	u8 sva_auto_pm_enable;
486 	u8 sva_power_on;
487 	u8 sva_policy;
488 };
489 
490 #ifdef CONFIG_MFD_DB8500_PRCMU
491 
492 void db8500_prcmu_early_init(void);
493 int prcmu_set_rc_a2p(enum romcode_write);
494 enum romcode_read prcmu_get_rc_p2a(void);
495 enum ap_pwrst prcmu_get_xp70_current_state(void);
496 bool prcmu_has_arm_maxopp(void);
497 struct prcmu_fw_version *prcmu_get_fw_version(void);
498 int prcmu_release_usb_wakeup_state(void);
499 void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
500 	struct prcmu_auto_pm_config *idle);
501 bool prcmu_is_auto_pm_enabled(void);
502 
503 int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
504 int prcmu_set_clock_divider(u8 clock, u8 divider);
505 int db8500_prcmu_config_hotdog(u8 threshold);
506 int db8500_prcmu_config_hotmon(u8 low, u8 high);
507 int db8500_prcmu_start_temp_sense(u16 cycles32k);
508 int db8500_prcmu_stop_temp_sense(void);
509 int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
510 int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
511 
512 int prcmu_ac_wake_req(void);
513 void prcmu_ac_sleep_req(void);
514 void db8500_prcmu_modem_reset(void);
515 
516 int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off);
517 int db8500_prcmu_enable_a9wdog(u8 id);
518 int db8500_prcmu_disable_a9wdog(u8 id);
519 int db8500_prcmu_kick_a9wdog(u8 id);
520 int db8500_prcmu_load_a9wdog(u8 id, u32 val);
521 
522 void db8500_prcmu_system_reset(u16 reset_code);
523 int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll);
524 u8 db8500_prcmu_get_power_state_result(void);
525 void db8500_prcmu_enable_wakeups(u32 wakeups);
526 int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state);
527 int db8500_prcmu_request_clock(u8 clock, bool enable);
528 void db8500_prcmu_config_abb_event_readout(u32 abb_events);
529 void db8500_prcmu_get_abb_event_buffer(void __iomem **buf);
530 int db8500_prcmu_config_esram0_deep_sleep(u8 state);
531 u16 db8500_prcmu_get_reset_code(void);
532 bool db8500_prcmu_is_ac_wake_requested(void);
533 int db8500_prcmu_set_arm_opp(u8 opp);
534 int db8500_prcmu_get_arm_opp(void);
535 int db8500_prcmu_set_ape_opp(u8 opp);
536 int db8500_prcmu_get_ape_opp(void);
537 int db8500_prcmu_request_ape_opp_100_voltage(bool enable);
538 int db8500_prcmu_get_ddr_opp(void);
539 
540 u32 db8500_prcmu_read(unsigned int reg);
541 void db8500_prcmu_write(unsigned int reg, u32 value);
542 void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value);
543 
544 #else /* !CONFIG_MFD_DB8500_PRCMU */
545 
db8500_prcmu_early_init(void)546 static inline void db8500_prcmu_early_init(void) {}
547 
prcmu_set_rc_a2p(enum romcode_write code)548 static inline int prcmu_set_rc_a2p(enum romcode_write code)
549 {
550 	return 0;
551 }
552 
prcmu_get_rc_p2a(void)553 static inline enum romcode_read prcmu_get_rc_p2a(void)
554 {
555 	return INIT;
556 }
557 
prcmu_get_xp70_current_state(void)558 static inline enum ap_pwrst prcmu_get_xp70_current_state(void)
559 {
560 	return AP_EXECUTE;
561 }
562 
prcmu_has_arm_maxopp(void)563 static inline bool prcmu_has_arm_maxopp(void)
564 {
565 	return false;
566 }
567 
prcmu_get_fw_version(void)568 static inline struct prcmu_fw_version *prcmu_get_fw_version(void)
569 {
570 	return NULL;
571 }
572 
db8500_prcmu_set_ape_opp(u8 opp)573 static inline int db8500_prcmu_set_ape_opp(u8 opp)
574 {
575 	return 0;
576 }
577 
db8500_prcmu_get_ape_opp(void)578 static inline int db8500_prcmu_get_ape_opp(void)
579 {
580 	return APE_100_OPP;
581 }
582 
db8500_prcmu_request_ape_opp_100_voltage(bool enable)583 static inline int db8500_prcmu_request_ape_opp_100_voltage(bool enable)
584 {
585 	return 0;
586 }
587 
prcmu_release_usb_wakeup_state(void)588 static inline int prcmu_release_usb_wakeup_state(void)
589 {
590 	return 0;
591 }
592 
db8500_prcmu_get_ddr_opp(void)593 static inline int db8500_prcmu_get_ddr_opp(void)
594 {
595 	return DDR_100_OPP;
596 }
597 
prcmu_configure_auto_pm(struct prcmu_auto_pm_config * sleep,struct prcmu_auto_pm_config * idle)598 static inline void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
599 	struct prcmu_auto_pm_config *idle)
600 {
601 }
602 
prcmu_is_auto_pm_enabled(void)603 static inline bool prcmu_is_auto_pm_enabled(void)
604 {
605 	return false;
606 }
607 
prcmu_config_clkout(u8 clkout,u8 source,u8 div)608 static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
609 {
610 	return 0;
611 }
612 
prcmu_set_clock_divider(u8 clock,u8 divider)613 static inline int prcmu_set_clock_divider(u8 clock, u8 divider)
614 {
615 	return 0;
616 }
617 
db8500_prcmu_config_hotdog(u8 threshold)618 static inline int db8500_prcmu_config_hotdog(u8 threshold)
619 {
620 	return 0;
621 }
622 
db8500_prcmu_config_hotmon(u8 low,u8 high)623 static inline int db8500_prcmu_config_hotmon(u8 low, u8 high)
624 {
625 	return 0;
626 }
627 
db8500_prcmu_start_temp_sense(u16 cycles32k)628 static inline int db8500_prcmu_start_temp_sense(u16 cycles32k)
629 {
630 	return 0;
631 }
632 
db8500_prcmu_stop_temp_sense(void)633 static inline int db8500_prcmu_stop_temp_sense(void)
634 {
635 	return 0;
636 }
637 
prcmu_abb_read(u8 slave,u8 reg,u8 * value,u8 size)638 static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
639 {
640 	return -ENOSYS;
641 }
642 
prcmu_abb_write(u8 slave,u8 reg,u8 * value,u8 size)643 static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
644 {
645 	return -ENOSYS;
646 }
647 
prcmu_ac_wake_req(void)648 static inline int prcmu_ac_wake_req(void)
649 {
650 	return 0;
651 }
652 
prcmu_ac_sleep_req(void)653 static inline void prcmu_ac_sleep_req(void) {}
654 
db8500_prcmu_modem_reset(void)655 static inline void db8500_prcmu_modem_reset(void) {}
656 
db8500_prcmu_system_reset(u16 reset_code)657 static inline void db8500_prcmu_system_reset(u16 reset_code) {}
658 
db8500_prcmu_set_power_state(u8 state,bool keep_ulp_clk,bool keep_ap_pll)659 static inline int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk,
660 	bool keep_ap_pll)
661 {
662 	return 0;
663 }
664 
db8500_prcmu_get_power_state_result(void)665 static inline u8 db8500_prcmu_get_power_state_result(void)
666 {
667 	return 0;
668 }
669 
db8500_prcmu_enable_wakeups(u32 wakeups)670 static inline void db8500_prcmu_enable_wakeups(u32 wakeups) {}
671 
db8500_prcmu_set_epod(u16 epod_id,u8 epod_state)672 static inline int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state)
673 {
674 	return 0;
675 }
676 
db8500_prcmu_request_clock(u8 clock,bool enable)677 static inline int db8500_prcmu_request_clock(u8 clock, bool enable)
678 {
679 	return 0;
680 }
681 
db8500_prcmu_config_esram0_deep_sleep(u8 state)682 static inline int db8500_prcmu_config_esram0_deep_sleep(u8 state)
683 {
684 	return 0;
685 }
686 
db8500_prcmu_config_abb_event_readout(u32 abb_events)687 static inline void db8500_prcmu_config_abb_event_readout(u32 abb_events) {}
688 
db8500_prcmu_get_abb_event_buffer(void __iomem ** buf)689 static inline void db8500_prcmu_get_abb_event_buffer(void __iomem **buf) {}
690 
db8500_prcmu_get_reset_code(void)691 static inline u16 db8500_prcmu_get_reset_code(void)
692 {
693 	return 0;
694 }
695 
db8500_prcmu_config_a9wdog(u8 num,bool sleep_auto_off)696 static inline int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
697 {
698 	return 0;
699 }
700 
db8500_prcmu_enable_a9wdog(u8 id)701 static inline int db8500_prcmu_enable_a9wdog(u8 id)
702 {
703 	return 0;
704 }
705 
db8500_prcmu_disable_a9wdog(u8 id)706 static inline int db8500_prcmu_disable_a9wdog(u8 id)
707 {
708 	return 0;
709 }
710 
db8500_prcmu_kick_a9wdog(u8 id)711 static inline int db8500_prcmu_kick_a9wdog(u8 id)
712 {
713 	return 0;
714 }
715 
db8500_prcmu_load_a9wdog(u8 id,u32 val)716 static inline int db8500_prcmu_load_a9wdog(u8 id, u32 val)
717 {
718 	return 0;
719 }
720 
db8500_prcmu_is_ac_wake_requested(void)721 static inline bool db8500_prcmu_is_ac_wake_requested(void)
722 {
723 	return false;
724 }
725 
db8500_prcmu_set_arm_opp(u8 opp)726 static inline int db8500_prcmu_set_arm_opp(u8 opp)
727 {
728 	return 0;
729 }
730 
db8500_prcmu_get_arm_opp(void)731 static inline int db8500_prcmu_get_arm_opp(void)
732 {
733 	return 0;
734 }
735 
db8500_prcmu_read(unsigned int reg)736 static inline u32 db8500_prcmu_read(unsigned int reg)
737 {
738 	return 0;
739 }
740 
db8500_prcmu_write(unsigned int reg,u32 value)741 static inline void db8500_prcmu_write(unsigned int reg, u32 value) {}
742 
db8500_prcmu_write_masked(unsigned int reg,u32 mask,u32 value)743 static inline void db8500_prcmu_write_masked(unsigned int reg, u32 mask,
744 	u32 value) {}
745 
746 #endif /* !CONFIG_MFD_DB8500_PRCMU */
747 
748 #endif /* __MFD_DB8500_PRCMU_H */
749