1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * core.h -- Core Driver for Wolfson WM8350 PMIC
4 *
5 * Copyright 2007 Wolfson Microelectronics PLC
6 */
7
8#ifndef __LINUX_MFD_WM8350_CORE_H_
9#define __LINUX_MFD_WM8350_CORE_H_
10
11#include <linux/kernel.h>
12#include <linux/mutex.h>
13#include <linux/interrupt.h>
14#include <linux/completion.h>
15#include <linux/regmap.h>
16
17#include <linux/mfd/wm8350/audio.h>
18#include <linux/mfd/wm8350/gpio.h>
19#include <linux/mfd/wm8350/pmic.h>
20#include <linux/mfd/wm8350/rtc.h>
21#include <linux/mfd/wm8350/supply.h>
22#include <linux/mfd/wm8350/wdt.h>
23
24/*
25 * Register values.
26 */
27#define WM8350_RESET_ID 0x00
28#define WM8350_ID 0x01
29#define WM8350_REVISION 0x02
30#define WM8350_SYSTEM_CONTROL_1 0x03
31#define WM8350_SYSTEM_CONTROL_2 0x04
32#define WM8350_SYSTEM_HIBERNATE 0x05
33#define WM8350_INTERFACE_CONTROL 0x06
34#define WM8350_POWER_MGMT_1 0x08
35#define WM8350_POWER_MGMT_2 0x09
36#define WM8350_POWER_MGMT_3 0x0A
37#define WM8350_POWER_MGMT_4 0x0B
38#define WM8350_POWER_MGMT_5 0x0C
39#define WM8350_POWER_MGMT_6 0x0D
40#define WM8350_POWER_MGMT_7 0x0E
41
42#define WM8350_SYSTEM_INTERRUPTS 0x18
43#define WM8350_INT_STATUS_1 0x19
44#define WM8350_INT_STATUS_2 0x1A
45#define WM8350_POWER_UP_INT_STATUS 0x1B
46#define WM8350_UNDER_VOLTAGE_INT_STATUS 0x1C
47#define WM8350_OVER_CURRENT_INT_STATUS 0x1D
48#define WM8350_GPIO_INT_STATUS 0x1E
49#define WM8350_COMPARATOR_INT_STATUS 0x1F
50#define WM8350_SYSTEM_INTERRUPTS_MASK 0x20
51#define WM8350_INT_STATUS_1_MASK 0x21
52#define WM8350_INT_STATUS_2_MASK 0x22
53#define WM8350_POWER_UP_INT_STATUS_MASK 0x23
54#define WM8350_UNDER_VOLTAGE_INT_STATUS_MASK 0x24
55#define WM8350_OVER_CURRENT_INT_STATUS_MASK 0x25
56#define WM8350_GPIO_INT_STATUS_MASK 0x26
57#define WM8350_COMPARATOR_INT_STATUS_MASK 0x27
58#define WM8350_CHARGER_OVERRIDES 0xE2
59#define WM8350_MISC_OVERRIDES 0xE3
60#define WM8350_COMPARATOR_OVERRIDES 0xE7
61#define WM8350_STATE_MACHINE_STATUS 0xE9
62
63#define WM8350_MAX_REGISTER 0xFF
64
65#define WM8350_UNLOCK_KEY 0x0013
66#define WM8350_LOCK_KEY 0x0000
67
68/*
69 * Field Definitions.
70 */
71
72/*
73 * R0 (0x00) - Reset/ID
74 */
75#define WM8350_SW_RESET_CHIP_ID_MASK 0xFFFF
76
77/*
78 * R1 (0x01) - ID
79 */
80#define WM8350_CHIP_REV_MASK 0x7000
81#define WM8350_CONF_STS_MASK 0x0C00
82#define WM8350_CUST_ID_MASK 0x00FF
83
84/*
85 * R2 (0x02) - Revision
86 */
87#define WM8350_MASK_REV_MASK 0x00FF
88
89/*
90 * R3 (0x03) - System Control 1
91 */
92#define WM8350_CHIP_ON 0x8000
93#define WM8350_POWERCYCLE 0x2000
94#define WM8350_VCC_FAULT_OV 0x1000
95#define WM8350_REG_RSTB_TIME_MASK 0x0C00
96#define WM8350_BG_SLEEP 0x0200
97#define WM8350_MEM_VALID 0x0020
98#define WM8350_CHIP_SET_UP 0x0010
99#define WM8350_ON_DEB_T 0x0008
100#define WM8350_ON_POL 0x0002
101#define WM8350_IRQ_POL 0x0001
102
103/*
104 * R4 (0x04) - System Control 2
105 */
106#define WM8350_USB_SUSPEND_8MA 0x8000
107#define WM8350_USB_SUSPEND 0x4000
108#define WM8350_USB_MSTR 0x2000
109#define WM8350_USB_MSTR_SRC 0x1000
110#define WM8350_USB_500MA 0x0800
111#define WM8350_USB_NOLIM 0x0400
112
113/*
114 * R5 (0x05) - System Hibernate
115 */
116#define WM8350_HIBERNATE 0x8000
117#define WM8350_WDOG_HIB_MODE 0x0080
118#define WM8350_REG_HIB_STARTUP_SEQ 0x0040
119#define WM8350_REG_RESET_HIB_MODE 0x0020
120#define WM8350_RST_HIB_MODE 0x0010
121#define WM8350_IRQ_HIB_MODE 0x0008
122#define WM8350_MEMRST_HIB_MODE 0x0004
123#define WM8350_PCCOMP_HIB_MODE 0x0002
124#define WM8350_TEMPMON_HIB_MODE 0x0001
125
126/*
127 * R6 (0x06) - Interface Control
128 */
129#define WM8350_USE_DEV_PINS 0x8000
130#define WM8350_USE_DEV_PINS_MASK 0x8000
131#define WM8350_USE_DEV_PINS_SHIFT 15
132#define WM8350_DEV_ADDR_MASK 0x6000
133#define WM8350_DEV_ADDR_SHIFT 13
134#define WM8350_CONFIG_DONE 0x1000
135#define WM8350_CONFIG_DONE_MASK 0x1000
136#define WM8350_CONFIG_DONE_SHIFT 12
137#define WM8350_RECONFIG_AT_ON 0x0800
138#define WM8350_RECONFIG_AT_ON_MASK 0x0800
139#define WM8350_RECONFIG_AT_ON_SHIFT 11
140#define WM8350_AUTOINC 0x0200
141#define WM8350_AUTOINC_MASK 0x0200
142#define WM8350_AUTOINC_SHIFT 9
143#define WM8350_ARA 0x0100
144#define WM8350_ARA_MASK 0x0100
145#define WM8350_ARA_SHIFT 8
146#define WM8350_SPI_CFG 0x0008
147#define WM8350_SPI_CFG_MASK 0x0008
148#define WM8350_SPI_CFG_SHIFT 3
149#define WM8350_SPI_4WIRE 0x0004
150#define WM8350_SPI_4WIRE_MASK 0x0004
151#define WM8350_SPI_4WIRE_SHIFT 2
152#define WM8350_SPI_3WIRE 0x0002
153#define WM8350_SPI_3WIRE_MASK 0x0002
154#define WM8350_SPI_3WIRE_SHIFT 1
155
156/* Bit values for R06 (0x06) */
157#define WM8350_USE_DEV_PINS_PRIMARY 0
158#define WM8350_USE_DEV_PINS_DEV 1
159
160#define WM8350_DEV_ADDR_34 0
161#define WM8350_DEV_ADDR_36 1
162#define WM8350_DEV_ADDR_3C 2
163#define WM8350_DEV_ADDR_3E 3
164
165#define WM8350_CONFIG_DONE_OFF 0
166#define WM8350_CONFIG_DONE_DONE 1
167
168#define WM8350_RECONFIG_AT_ON_OFF 0
169#define WM8350_RECONFIG_AT_ON_ON 1
170
171#define WM8350_AUTOINC_OFF 0
172#define WM8350_AUTOINC_ON 1
173
174#define WM8350_ARA_OFF 0
175#define WM8350_ARA_ON 1
176
177#define WM8350_SPI_CFG_CMOS 0
178#define WM8350_SPI_CFG_OD 1
179
180#define WM8350_SPI_4WIRE_3WIRE 0
181#define WM8350_SPI_4WIRE_4WIRE 1
182
183#define WM8350_SPI_3WIRE_I2C 0
184#define WM8350_SPI_3WIRE_SPI 1
185
186/*
187 * R8 (0x08) - Power mgmt (1)
188 */
189#define WM8350_CODEC_ISEL_MASK 0xC000
190#define WM8350_VBUFEN 0x2000
191#define WM8350_OUTPUT_DRAIN_EN 0x0400
192#define WM8350_MIC_DET_ENA 0x0100
193#define WM8350_BIASEN 0x0020
194#define WM8350_MICBEN 0x0010
195#define WM8350_VMIDEN 0x0004
196#define WM8350_VMID_MASK 0x0003
197#define WM8350_VMID_SHIFT 0
198
199/*
200 * R9 (0x09) - Power mgmt (2)
201 */
202#define WM8350_IN3R_ENA 0x0800
203#define WM8350_IN3L_ENA 0x0400
204#define WM8350_INR_ENA 0x0200
205#define WM8350_INL_ENA 0x0100
206#define WM8350_MIXINR_ENA 0x0080
207#define WM8350_MIXINL_ENA 0x0040
208#define WM8350_OUT4_ENA 0x0020
209#define WM8350_OUT3_ENA 0x0010
210#define WM8350_MIXOUTR_ENA 0x0002
211#define WM8350_MIXOUTL_ENA 0x0001
212
213/*
214 * R10 (0x0A) - Power mgmt (3)
215 */
216#define WM8350_IN3R_TO_OUT2R 0x0080
217#define WM8350_OUT2R_ENA 0x0008
218#define WM8350_OUT2L_ENA 0x0004
219#define WM8350_OUT1R_ENA 0x0002
220#define WM8350_OUT1L_ENA 0x0001
221
222/*
223 * R11 (0x0B) - Power mgmt (4)
224 */
225#define WM8350_SYSCLK_ENA 0x4000
226#define WM8350_ADC_HPF_ENA 0x2000
227#define WM8350_FLL_ENA 0x0800
228#define WM8350_FLL_OSC_ENA 0x0400
229#define WM8350_TOCLK_ENA 0x0100
230#define WM8350_DACR_ENA 0x0020
231#define WM8350_DACL_ENA 0x0010
232#define WM8350_ADCR_ENA 0x0008
233#define WM8350_ADCL_ENA 0x0004
234
235/*
236 * R12 (0x0C) - Power mgmt (5)
237 */
238#define WM8350_CODEC_ENA 0x1000
239#define WM8350_RTC_TICK_ENA 0x0800
240#define WM8350_OSC32K_ENA 0x0400
241#define WM8350_CHG_ENA 0x0200
242#define WM8350_ACC_DET_ENA 0x0100
243#define WM8350_AUXADC_ENA 0x0080
244#define WM8350_DCMP4_ENA 0x0008
245#define WM8350_DCMP3_ENA 0x0004
246#define WM8350_DCMP2_ENA 0x0002
247#define WM8350_DCMP1_ENA 0x0001
248
249/*
250 * R13 (0x0D) - Power mgmt (6)
251 */
252#define WM8350_LS_ENA 0x8000
253#define WM8350_LDO4_ENA 0x0800
254#define WM8350_LDO3_ENA 0x0400
255#define WM8350_LDO2_ENA 0x0200
256#define WM8350_LDO1_ENA 0x0100
257#define WM8350_DC6_ENA 0x0020
258#define WM8350_DC5_ENA 0x0010
259#define WM8350_DC4_ENA 0x0008
260#define WM8350_DC3_ENA 0x0004
261#define WM8350_DC2_ENA 0x0002
262#define WM8350_DC1_ENA 0x0001
263
264/*
265 * R14 (0x0E) - Power mgmt (7)
266 */
267#define WM8350_CS2_ENA 0x0002
268#define WM8350_CS1_ENA 0x0001
269
270/*
271 * R24 (0x18) - System Interrupts
272 */
273#define WM8350_OC_INT 0x2000
274#define WM8350_UV_INT 0x1000
275#define WM8350_PUTO_INT 0x0800
276#define WM8350_CS_INT 0x0200
277#define WM8350_EXT_INT 0x0100
278#define WM8350_CODEC_INT 0x0080
279#define WM8350_GP_INT 0x0040
280#define WM8350_AUXADC_INT 0x0020
281#define WM8350_RTC_INT 0x0010
282#define WM8350_SYS_INT 0x0008
283#define WM8350_CHG_INT 0x0004
284#define WM8350_USB_INT 0x0002
285#define WM8350_WKUP_INT 0x0001
286
287/*
288 * R25 (0x19) - Interrupt Status 1
289 */
290#define WM8350_CHG_BAT_HOT_EINT 0x8000
291#define WM8350_CHG_BAT_COLD_EINT 0x4000
292#define WM8350_CHG_BAT_FAIL_EINT 0x2000
293#define WM8350_CHG_TO_EINT 0x1000
294#define WM8350_CHG_END_EINT 0x0800
295#define WM8350_CHG_START_EINT 0x0400
296#define WM8350_CHG_FAST_RDY_EINT 0x0200
297#define WM8350_RTC_PER_EINT 0x0080
298#define WM8350_RTC_SEC_EINT 0x0040
299#define WM8350_RTC_ALM_EINT 0x0020
300#define WM8350_CHG_VBATT_LT_3P9_EINT 0x0004
301#define WM8350_CHG_VBATT_LT_3P1_EINT 0x0002
302#define WM8350_CHG_VBATT_LT_2P85_EINT 0x0001
303
304/*
305 * R26 (0x1A) - Interrupt Status 2
306 */
307#define WM8350_CS1_EINT 0x2000
308#define WM8350_CS2_EINT 0x1000
309#define WM8350_USB_LIMIT_EINT 0x0400
310#define WM8350_AUXADC_DATARDY_EINT 0x0100
311#define WM8350_AUXADC_DCOMP4_EINT 0x0080
312#define WM8350_AUXADC_DCOMP3_EINT 0x0040
313#define WM8350_AUXADC_DCOMP2_EINT 0x0020
314#define WM8350_AUXADC_DCOMP1_EINT 0x0010
315#define WM8350_SYS_HYST_COMP_FAIL_EINT 0x0008
316#define WM8350_SYS_CHIP_GT115_EINT 0x0004
317#define WM8350_SYS_CHIP_GT140_EINT 0x0002
318#define WM8350_SYS_WDOG_TO_EINT 0x0001
319
320/*
321 * R27 (0x1B) - Power Up Interrupt Status
322 */
323#define WM8350_PUTO_LDO4_EINT 0x0800
324#define WM8350_PUTO_LDO3_EINT 0x0400
325#define WM8350_PUTO_LDO2_EINT 0x0200
326#define WM8350_PUTO_LDO1_EINT 0x0100
327#define WM8350_PUTO_DC6_EINT 0x0020
328#define WM8350_PUTO_DC5_EINT 0x0010
329#define WM8350_PUTO_DC4_EINT 0x0008
330#define WM8350_PUTO_DC3_EINT 0x0004
331#define WM8350_PUTO_DC2_EINT 0x0002
332#define WM8350_PUTO_DC1_EINT 0x0001
333
334/*
335 * R28 (0x1C) - Under Voltage Interrupt status
336 */
337#define WM8350_UV_LDO4_EINT 0x0800
338#define WM8350_UV_LDO3_EINT 0x0400
339#define WM8350_UV_LDO2_EINT 0x0200
340#define WM8350_UV_LDO1_EINT 0x0100
341#define WM8350_UV_DC6_EINT 0x0020
342#define WM8350_UV_DC5_EINT 0x0010
343#define WM8350_UV_DC4_EINT 0x0008
344#define WM8350_UV_DC3_EINT 0x0004
345#define WM8350_UV_DC2_EINT 0x0002
346#define WM8350_UV_DC1_EINT 0x0001
347
348/*
349 * R29 (0x1D) - Over Current Interrupt status
350 */
351#define WM8350_OC_LS_EINT 0x8000
352
353/*
354 * R30 (0x1E) - GPIO Interrupt Status
355 */
356#define WM8350_GP12_EINT 0x1000
357#define WM8350_GP11_EINT 0x0800
358#define WM8350_GP10_EINT 0x0400
359#define WM8350_GP9_EINT 0x0200
360#define WM8350_GP8_EINT 0x0100
361#define WM8350_GP7_EINT 0x0080
362#define WM8350_GP6_EINT 0x0040
363#define WM8350_GP5_EINT 0x0020
364#define WM8350_GP4_EINT 0x0010
365#define WM8350_GP3_EINT 0x0008
366#define WM8350_GP2_EINT 0x0004
367#define WM8350_GP1_EINT 0x0002
368#define WM8350_GP0_EINT 0x0001
369
370/*
371 * R31 (0x1F) - Comparator Interrupt Status
372 */
373#define WM8350_EXT_USB_FB_EINT 0x8000
374#define WM8350_EXT_WALL_FB_EINT 0x4000
375#define WM8350_EXT_BAT_FB_EINT 0x2000
376#define WM8350_CODEC_JCK_DET_L_EINT 0x0800
377#define WM8350_CODEC_JCK_DET_R_EINT 0x0400
378#define WM8350_CODEC_MICSCD_EINT 0x0200
379#define WM8350_CODEC_MICD_EINT 0x0100
380#define WM8350_WKUP_OFF_STATE_EINT 0x0040
381#define WM8350_WKUP_HIB_STATE_EINT 0x0020
382#define WM8350_WKUP_CONV_FAULT_EINT 0x0010
383#define WM8350_WKUP_WDOG_RST_EINT 0x0008
384#define WM8350_WKUP_GP_PWR_ON_EINT 0x0004
385#define WM8350_WKUP_ONKEY_EINT 0x0002
386#define WM8350_WKUP_GP_WAKEUP_EINT 0x0001
387
388/*
389 * R32 (0x20) - System Interrupts Mask
390 */
391#define WM8350_IM_OC_INT 0x2000
392#define WM8350_IM_UV_INT 0x1000
393#define WM8350_IM_PUTO_INT 0x0800
394#define WM8350_IM_SPARE_INT 0x0400
395#define WM8350_IM_CS_INT 0x0200
396#define WM8350_IM_EXT_INT 0x0100
397#define WM8350_IM_CODEC_INT 0x0080
398#define WM8350_IM_GP_INT 0x0040
399#define WM8350_IM_AUXADC_INT 0x0020
400#define WM8350_IM_RTC_INT 0x0010
401#define WM8350_IM_SYS_INT 0x0008
402#define WM8350_IM_CHG_INT 0x0004
403#define WM8350_IM_USB_INT 0x0002
404#define WM8350_IM_WKUP_INT 0x0001
405
406/*
407 * R33 (0x21) - Interrupt Status 1 Mask
408 */
409#define WM8350_IM_CHG_BAT_HOT_EINT 0x8000
410#define WM8350_IM_CHG_BAT_COLD_EINT 0x4000
411#define WM8350_IM_CHG_BAT_FAIL_EINT 0x2000
412#define WM8350_IM_CHG_TO_EINT 0x1000
413#define WM8350_IM_CHG_END_EINT 0x0800
414#define WM8350_IM_CHG_START_EINT 0x0400
415#define WM8350_IM_CHG_FAST_RDY_EINT 0x0200
416#define WM8350_IM_RTC_PER_EINT 0x0080
417#define WM8350_IM_RTC_SEC_EINT 0x0040
418#define WM8350_IM_RTC_ALM_EINT 0x0020
419#define WM8350_IM_CHG_VBATT_LT_3P9_EINT 0x0004
420#define WM8350_IM_CHG_VBATT_LT_3P1_EINT 0x0002
421#define WM8350_IM_CHG_VBATT_LT_2P85_EINT 0x0001
422
423/*
424 * R34 (0x22) - Interrupt Status 2 Mask
425 */
426#define WM8350_IM_SPARE2_EINT 0x8000
427#define WM8350_IM_SPARE1_EINT 0x4000
428#define WM8350_IM_CS1_EINT 0x2000
429#define WM8350_IM_CS2_EINT 0x1000
430#define WM8350_IM_USB_LIMIT_EINT 0x0400
431#define WM8350_IM_AUXADC_DATARDY_EINT 0x0100
432#define WM8350_IM_AUXADC_DCOMP4_EINT 0x0080
433#define WM8350_IM_AUXADC_DCOMP3_EINT 0x0040
434#define WM8350_IM_AUXADC_DCOMP2_EINT 0x0020
435#define WM8350_IM_AUXADC_DCOMP1_EINT 0x0010
436#define WM8350_IM_SYS_HYST_COMP_FAIL_EINT 0x0008
437#define WM8350_IM_SYS_CHIP_GT115_EINT 0x0004
438#define WM8350_IM_SYS_CHIP_GT140_EINT 0x0002
439#define WM8350_IM_SYS_WDOG_TO_EINT 0x0001
440
441/*
442 * R35 (0x23) - Power Up Interrupt Status Mask
443 */
444#define WM8350_IM_PUTO_LDO4_EINT 0x0800
445#define WM8350_IM_PUTO_LDO3_EINT 0x0400
446#define WM8350_IM_PUTO_LDO2_EINT 0x0200
447#define WM8350_IM_PUTO_LDO1_EINT 0x0100
448#define WM8350_IM_PUTO_DC6_EINT 0x0020
449#define WM8350_IM_PUTO_DC5_EINT 0x0010
450#define WM8350_IM_PUTO_DC4_EINT 0x0008
451#define WM8350_IM_PUTO_DC3_EINT 0x0004
452#define WM8350_IM_PUTO_DC2_EINT 0x0002
453#define WM8350_IM_PUTO_DC1_EINT 0x0001
454
455/*
456 * R36 (0x24) - Under Voltage Interrupt status Mask
457 */
458#define WM8350_IM_UV_LDO4_EINT 0x0800
459#define WM8350_IM_UV_LDO3_EINT 0x0400
460#define WM8350_IM_UV_LDO2_EINT 0x0200
461#define WM8350_IM_UV_LDO1_EINT 0x0100
462#define WM8350_IM_UV_DC6_EINT 0x0020
463#define WM8350_IM_UV_DC5_EINT 0x0010
464#define WM8350_IM_UV_DC4_EINT 0x0008
465#define WM8350_IM_UV_DC3_EINT 0x0004
466#define WM8350_IM_UV_DC2_EINT 0x0002
467#define WM8350_IM_UV_DC1_EINT 0x0001
468
469/*
470 * R37 (0x25) - Over Current Interrupt status Mask
471 */
472#define WM8350_IM_OC_LS_EINT 0x8000
473
474/*
475 * R38 (0x26) - GPIO Interrupt Status Mask
476 */
477#define WM8350_IM_GP12_EINT 0x1000
478#define WM8350_IM_GP11_EINT 0x0800
479#define WM8350_IM_GP10_EINT 0x0400
480#define WM8350_IM_GP9_EINT 0x0200
481#define WM8350_IM_GP8_EINT 0x0100
482#define WM8350_IM_GP7_EINT 0x0080
483#define WM8350_IM_GP6_EINT 0x0040
484#define WM8350_IM_GP5_EINT 0x0020
485#define WM8350_IM_GP4_EINT 0x0010
486#define WM8350_IM_GP3_EINT 0x0008
487#define WM8350_IM_GP2_EINT 0x0004
488#define WM8350_IM_GP1_EINT 0x0002
489#define WM8350_IM_GP0_EINT 0x0001
490
491/*
492 * R39 (0x27) - Comparator Interrupt Status Mask
493 */
494#define WM8350_IM_EXT_USB_FB_EINT 0x8000
495#define WM8350_IM_EXT_WALL_FB_EINT 0x4000
496#define WM8350_IM_EXT_BAT_FB_EINT 0x2000
497#define WM8350_IM_CODEC_JCK_DET_L_EINT 0x0800
498#define WM8350_IM_CODEC_JCK_DET_R_EINT 0x0400
499#define WM8350_IM_CODEC_MICSCD_EINT 0x0200
500#define WM8350_IM_CODEC_MICD_EINT 0x0100
501#define WM8350_IM_WKUP_OFF_STATE_EINT 0x0040
502#define WM8350_IM_WKUP_HIB_STATE_EINT 0x0020
503#define WM8350_IM_WKUP_CONV_FAULT_EINT 0x0010
504#define WM8350_IM_WKUP_WDOG_RST_EINT 0x0008
505#define WM8350_IM_WKUP_GP_PWR_ON_EINT 0x0004
506#define WM8350_IM_WKUP_ONKEY_EINT 0x0002
507#define WM8350_IM_WKUP_GP_WAKEUP_EINT 0x0001
508
509/*
510 * R220 (0xDC) - RAM BIST 1
511 */
512#define WM8350_READ_STATUS 0x0800
513#define WM8350_TSTRAM_CLK 0x0100
514#define WM8350_TSTRAM_CLK_ENA 0x0080
515#define WM8350_STARTSEQ 0x0040
516#define WM8350_READ_SRC 0x0020
517#define WM8350_COUNT_DIR 0x0010
518#define WM8350_TSTRAM_MODE_MASK 0x000E
519#define WM8350_TSTRAM_ENA 0x0001
520
521/*
522 * R225 (0xE1) - DCDC/LDO status
523 */
524#define WM8350_LS_STS 0x8000
525#define WM8350_LDO4_STS 0x0800
526#define WM8350_LDO3_STS 0x0400
527#define WM8350_LDO2_STS 0x0200
528#define WM8350_LDO1_STS 0x0100
529#define WM8350_DC6_STS 0x0020
530#define WM8350_DC5_STS 0x0010
531#define WM8350_DC4_STS 0x0008
532#define WM8350_DC3_STS 0x0004
533#define WM8350_DC2_STS 0x0002
534#define WM8350_DC1_STS 0x0001
535
536/*
537 * R226 (0xE2) - Charger status
538 */
539#define WM8350_CHG_BATT_HOT_OVRDE 0x8000
540#define WM8350_CHG_BATT_COLD_OVRDE 0x4000
541
542/*
543 * R227 (0xE3) - Misc Overrides
544 */
545#define WM8350_USB_LIMIT_OVRDE 0x0400
546
547/*
548 * R227 (0xE7) - Comparator Overrides
549 */
550#define WM8350_USB_FB_OVRDE 0x8000
551#define WM8350_WALL_FB_OVRDE 0x4000
552#define WM8350_BATT_FB_OVRDE 0x2000
553
554
555/*
556 * R233 (0xE9) - State Machinine Status
557 */
558#define WM8350_USB_SM_MASK 0x0700
559#define WM8350_USB_SM_SHIFT 8
560
561#define WM8350_USB_SM_100_SLV 1
562#define WM8350_USB_SM_500_SLV 5
563#define WM8350_USB_SM_STDBY_SLV 7
564
565/* WM8350 wake up conditions */
566#define WM8350_IRQ_WKUP_OFF_STATE 43
567#define WM8350_IRQ_WKUP_HIB_STATE 44
568#define WM8350_IRQ_WKUP_CONV_FAULT 45
569#define WM8350_IRQ_WKUP_WDOG_RST 46
570#define WM8350_IRQ_WKUP_GP_PWR_ON 47
571#define WM8350_IRQ_WKUP_ONKEY 48
572#define WM8350_IRQ_WKUP_GP_WAKEUP 49
573
574/* wm8350 chip revisions */
575#define WM8350_REV_E 0x4
576#define WM8350_REV_F 0x5
577#define WM8350_REV_G 0x6
578#define WM8350_REV_H 0x7
579
580#define WM8350_NUM_IRQ 63
581
582#define WM8350_NUM_IRQ_REGS 7
583
584extern const struct regmap_config wm8350_regmap;
585
586struct wm8350;
587
588struct wm8350_hwmon {
589 struct platform_device *pdev;
590 struct device *classdev;
591};
592
593struct wm8350 {
594 struct device *dev;
595
596 /* device IO */
597 struct regmap *regmap;
598 bool unlocked;
599
600 struct mutex auxadc_mutex;
601 struct completion auxadc_done;
602
603 /* Interrupt handling */
604 struct mutex irq_lock;
605 int chip_irq;
606 int irq_base;
607 u16 irq_masks[WM8350_NUM_IRQ_REGS];
608
609 /* Client devices */
610 struct wm8350_codec codec;
611 struct wm8350_gpio gpio;
612 struct wm8350_hwmon hwmon;
613 struct wm8350_pmic pmic;
614 struct wm8350_power power;
615 struct wm8350_rtc rtc;
616 struct wm8350_wdt wdt;
617};
618
619/**
620 * Data to be supplied by the platform to initialise the WM8350.
621 *
622 * @init: Function called during driver initialisation. Should be
623 * used by the platform to configure GPIO functions and similar.
624 * @irq_high: Set if WM8350 IRQ is active high.
625 * @irq_base: Base IRQ for genirq (not currently used).
626 * @gpio_base: Base for gpiolib.
627 */
628struct wm8350_platform_data {
629 int (*init)(struct wm8350 *wm8350);
630 int irq_high;
631 int irq_base;
632 int gpio_base;
633};
634
635
636/*
637 * WM8350 device initialisation and exit.
638 */
639int wm8350_device_init(struct wm8350 *wm8350, int irq,
640 struct wm8350_platform_data *pdata);
641
642/*
643 * WM8350 device IO
644 */
645int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
646int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
647u16 wm8350_reg_read(struct wm8350 *wm8350, int reg);
648int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val);
649int wm8350_reg_lock(struct wm8350 *wm8350);
650int wm8350_reg_unlock(struct wm8350 *wm8350);
651int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, u16 *dest);
652int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
653
654/*
655 * WM8350 internal interrupts
656 */
657static inline int wm8350_register_irq(struct wm8350 *wm8350, int irq,
658 irq_handler_t handler,
659 unsigned long flags,
660 const char *name, void *data)
661{
662 if (!wm8350->irq_base)
663 return -ENODEV;
664
665 return request_threaded_irq(irq: irq + wm8350->irq_base, NULL,
666 thread_fn: handler, flags, name, dev: data);
667}
668
669static inline void wm8350_free_irq(struct wm8350 *wm8350, int irq, void *data)
670{
671 free_irq(irq + wm8350->irq_base, data);
672}
673
674static inline void wm8350_mask_irq(struct wm8350 *wm8350, int irq)
675{
676 disable_irq(irq: irq + wm8350->irq_base);
677}
678
679static inline void wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
680{
681 enable_irq(irq: irq + wm8350->irq_base);
682}
683
684int wm8350_irq_init(struct wm8350 *wm8350, int irq,
685 struct wm8350_platform_data *pdata);
686int wm8350_irq_exit(struct wm8350 *wm8350);
687
688#endif
689

source code of linux/include/linux/mfd/wm8350/core.h