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
546 static inline void db8500_prcmu_early_init(void) {}
547
548 static inline int prcmu_set_rc_a2p(enum romcode_write code)
549 {
550 return 0;
551 }
552
553 static inline enum romcode_read prcmu_get_rc_p2a(void)
554 {
555 return INIT;
556 }
557
558 static inline enum ap_pwrst prcmu_get_xp70_current_state(void)
559 {
560 return AP_EXECUTE;
561 }
562
563 static inline bool prcmu_has_arm_maxopp(void)
564 {
565 return false;
566 }
567
568 static inline struct prcmu_fw_version *prcmu_get_fw_version(void)
569 {
570 return NULL;
571 }
572
573 static inline int db8500_prcmu_set_ape_opp(u8 opp)
574 {
575 return 0;
576 }
577
578 static inline int db8500_prcmu_get_ape_opp(void)
579 {
580 return APE_100_OPP;
581 }
582
583 static inline int db8500_prcmu_request_ape_opp_100_voltage(bool enable)
584 {
585 return 0;
586 }
587
588 static inline int prcmu_release_usb_wakeup_state(void)
589 {
590 return 0;
591 }
592
593 static inline int db8500_prcmu_get_ddr_opp(void)
594 {
595 return DDR_100_OPP;
596 }
597
598 static inline void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
599 struct prcmu_auto_pm_config *idle)
600 {
601 }
602
603 static inline bool prcmu_is_auto_pm_enabled(void)
604 {
605 return false;
606 }
607
608 static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
609 {
610 return 0;
611 }
612
613 static inline int prcmu_set_clock_divider(u8 clock, u8 divider)
614 {
615 return 0;
616 }
617
618 static inline int db8500_prcmu_config_hotdog(u8 threshold)
619 {
620 return 0;
621 }
622
623 static inline int db8500_prcmu_config_hotmon(u8 low, u8 high)
624 {
625 return 0;
626 }
627
628 static inline int db8500_prcmu_start_temp_sense(u16 cycles32k)
629 {
630 return 0;
631 }
632
633 static inline int db8500_prcmu_stop_temp_sense(void)
634 {
635 return 0;
636 }
637
638 static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
639 {
640 return -ENOSYS;
641 }
642
643 static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
644 {
645 return -ENOSYS;
646 }
647
648 static inline int prcmu_ac_wake_req(void)
649 {
650 return 0;
651 }
652
653 static inline void prcmu_ac_sleep_req(void) {}
654
655 static inline void db8500_prcmu_modem_reset(void) {}
656
657 static inline void db8500_prcmu_system_reset(u16 reset_code) {}
658
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
665 static inline u8 db8500_prcmu_get_power_state_result(void)
666 {
667 return 0;
668 }
669
670 static inline void db8500_prcmu_enable_wakeups(u32 wakeups) {}
671
672 static inline int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state)
673 {
674 return 0;
675 }
676
677 static inline int db8500_prcmu_request_clock(u8 clock, bool enable)
678 {
679 return 0;
680 }
681
682 static inline int db8500_prcmu_config_esram0_deep_sleep(u8 state)
683 {
684 return 0;
685 }
686
687 static inline void db8500_prcmu_config_abb_event_readout(u32 abb_events) {}
688
689 static inline void db8500_prcmu_get_abb_event_buffer(void __iomem **buf) {}
690
691 static inline u16 db8500_prcmu_get_reset_code(void)
692 {
693 return 0;
694 }
695
696 static inline int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
697 {
698 return 0;
699 }
700
701 static inline int db8500_prcmu_enable_a9wdog(u8 id)
702 {
703 return 0;
704 }
705
706 static inline int db8500_prcmu_disable_a9wdog(u8 id)
707 {
708 return 0;
709 }
710
711 static inline int db8500_prcmu_kick_a9wdog(u8 id)
712 {
713 return 0;
714 }
715
716 static inline int db8500_prcmu_load_a9wdog(u8 id, u32 val)
717 {
718 return 0;
719 }
720
721 static inline bool db8500_prcmu_is_ac_wake_requested(void)
722 {
723 return false;
724 }
725
726 static inline int db8500_prcmu_set_arm_opp(u8 opp)
727 {
728 return 0;
729 }
730
731 static inline int db8500_prcmu_get_arm_opp(void)
732 {
733 return 0;
734 }
735
736 static inline u32 db8500_prcmu_read(unsigned int reg)
737 {
738 return 0;
739 }
740
741 static inline void db8500_prcmu_write(unsigned int reg, u32 value) {}
742
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
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