xref: /openbmc/linux/sound/soc/codecs/cs35l41-lib.c (revision 9470114d)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // cs35l41-lib.c -- CS35L41 Common functions for HDA and ASoC Audio drivers
4 //
5 // Copyright 2017-2021 Cirrus Logic, Inc.
6 //
7 // Author: David Rhodes <david.rhodes@cirrus.com>
8 // Author: Lucas Tanure <lucas.tanure@cirrus.com>
9 
10 #include <linux/dev_printk.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <linux/regulator/consumer.h>
14 #include <linux/slab.h>
15 #include <linux/firmware/cirrus/wmfw.h>
16 
17 #include <sound/cs35l41.h>
18 
19 static const struct reg_default cs35l41_reg[] = {
20 	{ CS35L41_PWR_CTRL1,			0x00000000 },
21 	{ CS35L41_PWR_CTRL2,			0x00000000 },
22 	{ CS35L41_PWR_CTRL3,			0x01000010 },
23 	{ CS35L41_GPIO_PAD_CONTROL,		0x00000000 },
24 	{ CS35L41_GLOBAL_CLK_CTRL,		0x00000003 },
25 	{ CS35L41_TST_FS_MON0,			0x00020016 },
26 	{ CS35L41_BSTCVRT_COEFF,		0x00002424 },
27 	{ CS35L41_BSTCVRT_SLOPE_LBST,		0x00007500 },
28 	{ CS35L41_BSTCVRT_PEAK_CUR,		0x0000004A },
29 	{ CS35L41_SP_ENABLES,			0x00000000 },
30 	{ CS35L41_SP_RATE_CTRL,			0x00000028 },
31 	{ CS35L41_SP_FORMAT,			0x18180200 },
32 	{ CS35L41_SP_HIZ_CTRL,			0x00000002 },
33 	{ CS35L41_SP_FRAME_TX_SLOT,		0x03020100 },
34 	{ CS35L41_SP_FRAME_RX_SLOT,		0x00000100 },
35 	{ CS35L41_SP_TX_WL,			0x00000018 },
36 	{ CS35L41_SP_RX_WL,			0x00000018 },
37 	{ CS35L41_DAC_PCM1_SRC,			0x00000008 },
38 	{ CS35L41_ASP_TX1_SRC,			0x00000018 },
39 	{ CS35L41_ASP_TX2_SRC,			0x00000019 },
40 	{ CS35L41_ASP_TX3_SRC,			0x00000000 },
41 	{ CS35L41_ASP_TX4_SRC,			0x00000000 },
42 	{ CS35L41_DSP1_RX1_SRC,			0x00000008 },
43 	{ CS35L41_DSP1_RX2_SRC,			0x00000009 },
44 	{ CS35L41_DSP1_RX3_SRC,			0x00000018 },
45 	{ CS35L41_DSP1_RX4_SRC,			0x00000019 },
46 	{ CS35L41_DSP1_RX5_SRC,			0x00000020 },
47 	{ CS35L41_DSP1_RX6_SRC,			0x00000021 },
48 	{ CS35L41_DSP1_RX7_SRC,			0x0000003A },
49 	{ CS35L41_DSP1_RX8_SRC,			0x0000003B },
50 	{ CS35L41_NGATE1_SRC,			0x00000008 },
51 	{ CS35L41_NGATE2_SRC,			0x00000009 },
52 	{ CS35L41_AMP_DIG_VOL_CTRL,		0x00008000 },
53 	{ CS35L41_CLASSH_CFG,			0x000B0405 },
54 	{ CS35L41_WKFET_CFG,			0x00000111 },
55 	{ CS35L41_NG_CFG,			0x00000033 },
56 	{ CS35L41_AMP_GAIN_CTRL,		0x00000000 },
57 	{ CS35L41_IRQ1_MASK1,			0xFFFFFFFF },
58 	{ CS35L41_IRQ1_MASK2,			0xFFFFFFFF },
59 	{ CS35L41_IRQ1_MASK3,			0xFFFF87FF },
60 	{ CS35L41_IRQ1_MASK4,			0xFEFFFFFF },
61 	{ CS35L41_GPIO1_CTRL1,			0x81000001 },
62 	{ CS35L41_GPIO2_CTRL1,			0x81000001 },
63 	{ CS35L41_MIXER_NGATE_CFG,		0x00000000 },
64 	{ CS35L41_MIXER_NGATE_CH1_CFG,		0x00000303 },
65 	{ CS35L41_MIXER_NGATE_CH2_CFG,		0x00000303 },
66 	{ CS35L41_DSP1_CCM_CORE_CTRL,		0x00000101 },
67 };
68 
69 static bool cs35l41_readable_reg(struct device *dev, unsigned int reg)
70 {
71 	switch (reg) {
72 	case CS35L41_DEVID:
73 	case CS35L41_REVID:
74 	case CS35L41_FABID:
75 	case CS35L41_RELID:
76 	case CS35L41_OTPID:
77 	case CS35L41_TEST_KEY_CTL:
78 	case CS35L41_USER_KEY_CTL:
79 	case CS35L41_OTP_CTRL0:
80 	case CS35L41_OTP_CTRL3:
81 	case CS35L41_OTP_CTRL4:
82 	case CS35L41_OTP_CTRL5:
83 	case CS35L41_OTP_CTRL6:
84 	case CS35L41_OTP_CTRL7:
85 	case CS35L41_OTP_CTRL8:
86 	case CS35L41_PWR_CTRL1:
87 	case CS35L41_PWR_CTRL2:
88 	case CS35L41_PWR_CTRL3:
89 	case CS35L41_CTRL_OVRRIDE:
90 	case CS35L41_AMP_OUT_MUTE:
91 	case CS35L41_PROTECT_REL_ERR_IGN:
92 	case CS35L41_GPIO_PAD_CONTROL:
93 	case CS35L41_JTAG_CONTROL:
94 	case CS35L41_PWRMGT_CTL:
95 	case CS35L41_WAKESRC_CTL:
96 	case CS35L41_PWRMGT_STS:
97 	case CS35L41_PLL_CLK_CTRL:
98 	case CS35L41_DSP_CLK_CTRL:
99 	case CS35L41_GLOBAL_CLK_CTRL:
100 	case CS35L41_DATA_FS_SEL:
101 	case CS35L41_TST_FS_MON0:
102 	case CS35L41_MDSYNC_EN:
103 	case CS35L41_MDSYNC_TX_ID:
104 	case CS35L41_MDSYNC_PWR_CTRL:
105 	case CS35L41_MDSYNC_DATA_TX:
106 	case CS35L41_MDSYNC_TX_STATUS:
107 	case CS35L41_MDSYNC_DATA_RX:
108 	case CS35L41_MDSYNC_RX_STATUS:
109 	case CS35L41_MDSYNC_ERR_STATUS:
110 	case CS35L41_MDSYNC_SYNC_PTE2:
111 	case CS35L41_MDSYNC_SYNC_PTE3:
112 	case CS35L41_MDSYNC_SYNC_MSM_STATUS:
113 	case CS35L41_BSTCVRT_VCTRL1:
114 	case CS35L41_BSTCVRT_VCTRL2:
115 	case CS35L41_BSTCVRT_PEAK_CUR:
116 	case CS35L41_BSTCVRT_SFT_RAMP:
117 	case CS35L41_BSTCVRT_COEFF:
118 	case CS35L41_BSTCVRT_SLOPE_LBST:
119 	case CS35L41_BSTCVRT_SW_FREQ:
120 	case CS35L41_BSTCVRT_DCM_CTRL:
121 	case CS35L41_BSTCVRT_DCM_MODE_FORCE:
122 	case CS35L41_BSTCVRT_OVERVOLT_CTRL:
123 	case CS35L41_VI_VOL_POL:
124 	case CS35L41_DTEMP_WARN_THLD:
125 	case CS35L41_DTEMP_CFG:
126 	case CS35L41_DTEMP_EN:
127 	case CS35L41_VPVBST_FS_SEL:
128 	case CS35L41_SP_ENABLES:
129 	case CS35L41_SP_RATE_CTRL:
130 	case CS35L41_SP_FORMAT:
131 	case CS35L41_SP_HIZ_CTRL:
132 	case CS35L41_SP_FRAME_TX_SLOT:
133 	case CS35L41_SP_FRAME_RX_SLOT:
134 	case CS35L41_SP_TX_WL:
135 	case CS35L41_SP_RX_WL:
136 	case CS35L41_DAC_PCM1_SRC:
137 	case CS35L41_ASP_TX1_SRC:
138 	case CS35L41_ASP_TX2_SRC:
139 	case CS35L41_ASP_TX3_SRC:
140 	case CS35L41_ASP_TX4_SRC:
141 	case CS35L41_DSP1_RX1_SRC:
142 	case CS35L41_DSP1_RX2_SRC:
143 	case CS35L41_DSP1_RX3_SRC:
144 	case CS35L41_DSP1_RX4_SRC:
145 	case CS35L41_DSP1_RX5_SRC:
146 	case CS35L41_DSP1_RX6_SRC:
147 	case CS35L41_DSP1_RX7_SRC:
148 	case CS35L41_DSP1_RX8_SRC:
149 	case CS35L41_NGATE1_SRC:
150 	case CS35L41_NGATE2_SRC:
151 	case CS35L41_AMP_DIG_VOL_CTRL:
152 	case CS35L41_VPBR_CFG:
153 	case CS35L41_VBBR_CFG:
154 	case CS35L41_VPBR_STATUS:
155 	case CS35L41_VBBR_STATUS:
156 	case CS35L41_OVERTEMP_CFG:
157 	case CS35L41_AMP_ERR_VOL:
158 	case CS35L41_VOL_STATUS_TO_DSP:
159 	case CS35L41_CLASSH_CFG:
160 	case CS35L41_WKFET_CFG:
161 	case CS35L41_NG_CFG:
162 	case CS35L41_AMP_GAIN_CTRL:
163 	case CS35L41_DAC_MSM_CFG:
164 	case CS35L41_IRQ1_CFG:
165 	case CS35L41_IRQ1_STATUS:
166 	case CS35L41_IRQ1_STATUS1:
167 	case CS35L41_IRQ1_STATUS2:
168 	case CS35L41_IRQ1_STATUS3:
169 	case CS35L41_IRQ1_STATUS4:
170 	case CS35L41_IRQ1_RAW_STATUS1:
171 	case CS35L41_IRQ1_RAW_STATUS2:
172 	case CS35L41_IRQ1_RAW_STATUS3:
173 	case CS35L41_IRQ1_RAW_STATUS4:
174 	case CS35L41_IRQ1_MASK1:
175 	case CS35L41_IRQ1_MASK2:
176 	case CS35L41_IRQ1_MASK3:
177 	case CS35L41_IRQ1_MASK4:
178 	case CS35L41_IRQ1_FRC1:
179 	case CS35L41_IRQ1_FRC2:
180 	case CS35L41_IRQ1_FRC3:
181 	case CS35L41_IRQ1_FRC4:
182 	case CS35L41_IRQ1_EDGE1:
183 	case CS35L41_IRQ1_EDGE4:
184 	case CS35L41_IRQ1_POL1:
185 	case CS35L41_IRQ1_POL2:
186 	case CS35L41_IRQ1_POL3:
187 	case CS35L41_IRQ1_POL4:
188 	case CS35L41_IRQ1_DB3:
189 	case CS35L41_IRQ2_CFG:
190 	case CS35L41_IRQ2_STATUS:
191 	case CS35L41_IRQ2_STATUS1:
192 	case CS35L41_IRQ2_STATUS2:
193 	case CS35L41_IRQ2_STATUS3:
194 	case CS35L41_IRQ2_STATUS4:
195 	case CS35L41_IRQ2_RAW_STATUS1:
196 	case CS35L41_IRQ2_RAW_STATUS2:
197 	case CS35L41_IRQ2_RAW_STATUS3:
198 	case CS35L41_IRQ2_RAW_STATUS4:
199 	case CS35L41_IRQ2_MASK1:
200 	case CS35L41_IRQ2_MASK2:
201 	case CS35L41_IRQ2_MASK3:
202 	case CS35L41_IRQ2_MASK4:
203 	case CS35L41_IRQ2_FRC1:
204 	case CS35L41_IRQ2_FRC2:
205 	case CS35L41_IRQ2_FRC3:
206 	case CS35L41_IRQ2_FRC4:
207 	case CS35L41_IRQ2_EDGE1:
208 	case CS35L41_IRQ2_EDGE4:
209 	case CS35L41_IRQ2_POL1:
210 	case CS35L41_IRQ2_POL2:
211 	case CS35L41_IRQ2_POL3:
212 	case CS35L41_IRQ2_POL4:
213 	case CS35L41_IRQ2_DB3:
214 	case CS35L41_GPIO_STATUS1:
215 	case CS35L41_GPIO1_CTRL1:
216 	case CS35L41_GPIO2_CTRL1:
217 	case CS35L41_MIXER_NGATE_CFG:
218 	case CS35L41_MIXER_NGATE_CH1_CFG:
219 	case CS35L41_MIXER_NGATE_CH2_CFG:
220 	case CS35L41_DSP_MBOX_1 ... CS35L41_DSP_VIRT2_MBOX_8:
221 	case CS35L41_CLOCK_DETECT_1:
222 	case CS35L41_DIE_STS1:
223 	case CS35L41_DIE_STS2:
224 	case CS35L41_TEMP_CAL1:
225 	case CS35L41_TEMP_CAL2:
226 	case CS35L41_DSP1_TIMESTAMP_COUNT:
227 	case CS35L41_DSP1_SYS_ID:
228 	case CS35L41_DSP1_SYS_VERSION:
229 	case CS35L41_DSP1_SYS_CORE_ID:
230 	case CS35L41_DSP1_SYS_AHB_ADDR:
231 	case CS35L41_DSP1_SYS_XSRAM_SIZE:
232 	case CS35L41_DSP1_SYS_YSRAM_SIZE:
233 	case CS35L41_DSP1_SYS_PSRAM_SIZE:
234 	case CS35L41_DSP1_SYS_PM_BOOT_SIZE:
235 	case CS35L41_DSP1_SYS_FEATURES:
236 	case CS35L41_DSP1_SYS_FIR_FILTERS:
237 	case CS35L41_DSP1_SYS_LMS_FILTERS:
238 	case CS35L41_DSP1_SYS_XM_BANK_SIZE:
239 	case CS35L41_DSP1_SYS_YM_BANK_SIZE:
240 	case CS35L41_DSP1_SYS_PM_BANK_SIZE:
241 	case CS35L41_DSP1_RX1_RATE:
242 	case CS35L41_DSP1_RX2_RATE:
243 	case CS35L41_DSP1_RX3_RATE:
244 	case CS35L41_DSP1_RX4_RATE:
245 	case CS35L41_DSP1_RX5_RATE:
246 	case CS35L41_DSP1_RX6_RATE:
247 	case CS35L41_DSP1_RX7_RATE:
248 	case CS35L41_DSP1_RX8_RATE:
249 	case CS35L41_DSP1_TX1_RATE:
250 	case CS35L41_DSP1_TX2_RATE:
251 	case CS35L41_DSP1_TX3_RATE:
252 	case CS35L41_DSP1_TX4_RATE:
253 	case CS35L41_DSP1_TX5_RATE:
254 	case CS35L41_DSP1_TX6_RATE:
255 	case CS35L41_DSP1_TX7_RATE:
256 	case CS35L41_DSP1_TX8_RATE:
257 	case CS35L41_DSP1_SCRATCH1:
258 	case CS35L41_DSP1_SCRATCH2:
259 	case CS35L41_DSP1_SCRATCH3:
260 	case CS35L41_DSP1_SCRATCH4:
261 	case CS35L41_DSP1_CCM_CORE_CTRL:
262 	case CS35L41_DSP1_CCM_CLK_OVERRIDE:
263 	case CS35L41_DSP1_XM_MSTR_EN:
264 	case CS35L41_DSP1_XM_CORE_PRI:
265 	case CS35L41_DSP1_XM_AHB_PACK_PL_PRI:
266 	case CS35L41_DSP1_XM_AHB_UP_PL_PRI:
267 	case CS35L41_DSP1_XM_ACCEL_PL0_PRI:
268 	case CS35L41_DSP1_XM_NPL0_PRI:
269 	case CS35L41_DSP1_YM_MSTR_EN:
270 	case CS35L41_DSP1_YM_CORE_PRI:
271 	case CS35L41_DSP1_YM_AHB_PACK_PL_PRI:
272 	case CS35L41_DSP1_YM_AHB_UP_PL_PRI:
273 	case CS35L41_DSP1_YM_ACCEL_PL0_PRI:
274 	case CS35L41_DSP1_YM_NPL0_PRI:
275 	case CS35L41_DSP1_MPU_XM_ACCESS0:
276 	case CS35L41_DSP1_MPU_YM_ACCESS0:
277 	case CS35L41_DSP1_MPU_WNDW_ACCESS0:
278 	case CS35L41_DSP1_MPU_XREG_ACCESS0:
279 	case CS35L41_DSP1_MPU_YREG_ACCESS0:
280 	case CS35L41_DSP1_MPU_XM_ACCESS1:
281 	case CS35L41_DSP1_MPU_YM_ACCESS1:
282 	case CS35L41_DSP1_MPU_WNDW_ACCESS1:
283 	case CS35L41_DSP1_MPU_XREG_ACCESS1:
284 	case CS35L41_DSP1_MPU_YREG_ACCESS1:
285 	case CS35L41_DSP1_MPU_XM_ACCESS2:
286 	case CS35L41_DSP1_MPU_YM_ACCESS2:
287 	case CS35L41_DSP1_MPU_WNDW_ACCESS2:
288 	case CS35L41_DSP1_MPU_XREG_ACCESS2:
289 	case CS35L41_DSP1_MPU_YREG_ACCESS2:
290 	case CS35L41_DSP1_MPU_XM_ACCESS3:
291 	case CS35L41_DSP1_MPU_YM_ACCESS3:
292 	case CS35L41_DSP1_MPU_WNDW_ACCESS3:
293 	case CS35L41_DSP1_MPU_XREG_ACCESS3:
294 	case CS35L41_DSP1_MPU_YREG_ACCESS3:
295 	case CS35L41_DSP1_MPU_XM_VIO_ADDR:
296 	case CS35L41_DSP1_MPU_XM_VIO_STATUS:
297 	case CS35L41_DSP1_MPU_YM_VIO_ADDR:
298 	case CS35L41_DSP1_MPU_YM_VIO_STATUS:
299 	case CS35L41_DSP1_MPU_PM_VIO_ADDR:
300 	case CS35L41_DSP1_MPU_PM_VIO_STATUS:
301 	case CS35L41_DSP1_MPU_LOCK_CONFIG:
302 	case CS35L41_DSP1_MPU_WDT_RST_CTRL:
303 	case CS35L41_OTP_TRIM_1:
304 	case CS35L41_OTP_TRIM_2:
305 	case CS35L41_OTP_TRIM_3:
306 	case CS35L41_OTP_TRIM_4:
307 	case CS35L41_OTP_TRIM_5:
308 	case CS35L41_OTP_TRIM_6:
309 	case CS35L41_OTP_TRIM_7:
310 	case CS35L41_OTP_TRIM_8:
311 	case CS35L41_OTP_TRIM_9:
312 	case CS35L41_OTP_TRIM_10:
313 	case CS35L41_OTP_TRIM_11:
314 	case CS35L41_OTP_TRIM_12:
315 	case CS35L41_OTP_TRIM_13:
316 	case CS35L41_OTP_TRIM_14:
317 	case CS35L41_OTP_TRIM_15:
318 	case CS35L41_OTP_TRIM_16:
319 	case CS35L41_OTP_TRIM_17:
320 	case CS35L41_OTP_TRIM_18:
321 	case CS35L41_OTP_TRIM_19:
322 	case CS35L41_OTP_TRIM_20:
323 	case CS35L41_OTP_TRIM_21:
324 	case CS35L41_OTP_TRIM_22:
325 	case CS35L41_OTP_TRIM_23:
326 	case CS35L41_OTP_TRIM_24:
327 	case CS35L41_OTP_TRIM_25:
328 	case CS35L41_OTP_TRIM_26:
329 	case CS35L41_OTP_TRIM_27:
330 	case CS35L41_OTP_TRIM_28:
331 	case CS35L41_OTP_TRIM_29:
332 	case CS35L41_OTP_TRIM_30:
333 	case CS35L41_OTP_TRIM_31:
334 	case CS35L41_OTP_TRIM_32:
335 	case CS35L41_OTP_TRIM_33:
336 	case CS35L41_OTP_TRIM_34:
337 	case CS35L41_OTP_TRIM_35:
338 	case CS35L41_OTP_TRIM_36:
339 	case CS35L41_OTP_MEM0 ... CS35L41_OTP_MEM31:
340 	case CS35L41_DSP1_XMEM_PACK_0 ... CS35L41_DSP1_XMEM_PACK_3068:
341 	case CS35L41_DSP1_XMEM_UNPACK32_0 ... CS35L41_DSP1_XMEM_UNPACK32_2046:
342 	case CS35L41_DSP1_XMEM_UNPACK24_0 ... CS35L41_DSP1_XMEM_UNPACK24_4093:
343 	case CS35L41_DSP1_YMEM_PACK_0 ... CS35L41_DSP1_YMEM_PACK_1532:
344 	case CS35L41_DSP1_YMEM_UNPACK32_0 ... CS35L41_DSP1_YMEM_UNPACK32_1022:
345 	case CS35L41_DSP1_YMEM_UNPACK24_0 ... CS35L41_DSP1_YMEM_UNPACK24_2045:
346 	case CS35L41_DSP1_PMEM_0 ... CS35L41_DSP1_PMEM_5114:
347 	/*test regs*/
348 	case CS35L41_PLL_OVR:
349 	case CS35L41_BST_TEST_DUTY:
350 	case CS35L41_DIGPWM_IOCTRL:
351 		return true;
352 	default:
353 		return false;
354 	}
355 }
356 
357 static bool cs35l41_precious_reg(struct device *dev, unsigned int reg)
358 {
359 	switch (reg) {
360 	case CS35L41_TEST_KEY_CTL:
361 	case CS35L41_USER_KEY_CTL:
362 	case CS35L41_OTP_MEM0 ... CS35L41_OTP_MEM31:
363 	case CS35L41_TST_FS_MON0:
364 	case CS35L41_DSP1_XMEM_PACK_0 ... CS35L41_DSP1_XMEM_PACK_3068:
365 	case CS35L41_DSP1_YMEM_PACK_0 ... CS35L41_DSP1_YMEM_PACK_1532:
366 	case CS35L41_DSP1_PMEM_0 ... CS35L41_DSP1_PMEM_5114:
367 		return true;
368 	default:
369 		return false;
370 	}
371 }
372 
373 static bool cs35l41_volatile_reg(struct device *dev, unsigned int reg)
374 {
375 	switch (reg) {
376 	case CS35L41_DEVID:
377 	case CS35L41_SFT_RESET:
378 	case CS35L41_FABID:
379 	case CS35L41_REVID:
380 	case CS35L41_OTPID:
381 	case CS35L41_TEST_KEY_CTL:
382 	case CS35L41_USER_KEY_CTL:
383 	case CS35L41_PWRMGT_CTL:
384 	case CS35L41_WAKESRC_CTL:
385 	case CS35L41_PWRMGT_STS:
386 	case CS35L41_DTEMP_EN:
387 	case CS35L41_IRQ1_STATUS:
388 	case CS35L41_IRQ1_STATUS1:
389 	case CS35L41_IRQ1_STATUS2:
390 	case CS35L41_IRQ1_STATUS3:
391 	case CS35L41_IRQ1_STATUS4:
392 	case CS35L41_IRQ1_RAW_STATUS1:
393 	case CS35L41_IRQ1_RAW_STATUS2:
394 	case CS35L41_IRQ1_RAW_STATUS3:
395 	case CS35L41_IRQ1_RAW_STATUS4:
396 	case CS35L41_IRQ2_STATUS:
397 	case CS35L41_IRQ2_STATUS1:
398 	case CS35L41_IRQ2_STATUS2:
399 	case CS35L41_IRQ2_STATUS3:
400 	case CS35L41_IRQ2_STATUS4:
401 	case CS35L41_IRQ2_RAW_STATUS1:
402 	case CS35L41_IRQ2_RAW_STATUS2:
403 	case CS35L41_IRQ2_RAW_STATUS3:
404 	case CS35L41_IRQ2_RAW_STATUS4:
405 	case CS35L41_GPIO_STATUS1:
406 	case CS35L41_DSP_MBOX_1 ... CS35L41_DSP_VIRT2_MBOX_8:
407 	case CS35L41_DSP1_XMEM_PACK_0 ... CS35L41_DSP1_XMEM_PACK_3068:
408 	case CS35L41_DSP1_XMEM_UNPACK32_0 ... CS35L41_DSP1_XMEM_UNPACK32_2046:
409 	case CS35L41_DSP1_XMEM_UNPACK24_0 ... CS35L41_DSP1_XMEM_UNPACK24_4093:
410 	case CS35L41_DSP1_YMEM_PACK_0 ... CS35L41_DSP1_YMEM_PACK_1532:
411 	case CS35L41_DSP1_YMEM_UNPACK32_0 ... CS35L41_DSP1_YMEM_UNPACK32_1022:
412 	case CS35L41_DSP1_YMEM_UNPACK24_0 ... CS35L41_DSP1_YMEM_UNPACK24_2045:
413 	case CS35L41_DSP1_PMEM_0 ... CS35L41_DSP1_PMEM_5114:
414 	case CS35L41_DSP1_SCRATCH1:
415 	case CS35L41_DSP1_SCRATCH2:
416 	case CS35L41_DSP1_SCRATCH3:
417 	case CS35L41_DSP1_SCRATCH4:
418 	case CS35L41_DSP1_CCM_CLK_OVERRIDE ... CS35L41_DSP1_WDT_STATUS:
419 	case CS35L41_OTP_MEM0 ... CS35L41_OTP_MEM31:
420 		return true;
421 	default:
422 		return false;
423 	}
424 }
425 
426 static const struct cs35l41_otp_packed_element_t otp_map_1[] = {
427 	/* addr         shift   size */
428 	{ 0x00002030,	0,	4 }, /*TRIM_OSC_FREQ_TRIM*/
429 	{ 0x00002030,	7,	1 }, /*TRIM_OSC_TRIM_DONE*/
430 	{ 0x0000208c,	24,	6 }, /*TST_DIGREG_VREF_TRIM*/
431 	{ 0x00002090,	14,	4 }, /*TST_REF_TRIM*/
432 	{ 0x00002090,	10,	4 }, /*TST_REF_TEMPCO_TRIM*/
433 	{ 0x0000300C,	11,	4 }, /*PLL_LDOA_TST_VREF_TRIM*/
434 	{ 0x0000394C,	23,	2 }, /*BST_ATEST_CM_VOFF*/
435 	{ 0x00003950,	0,	7 }, /*BST_ATRIM_IADC_OFFSET*/
436 	{ 0x00003950,	8,	7 }, /*BST_ATRIM_IADC_GAIN1*/
437 	{ 0x00003950,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET1*/
438 	{ 0x00003950,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN1*/
439 	{ 0x00003954,	0,	7 }, /*BST_ATRIM_IADC_OFFSET2*/
440 	{ 0x00003954,	8,	7 }, /*BST_ATRIM_IADC_GAIN2*/
441 	{ 0x00003954,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET2*/
442 	{ 0x00003954,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN2*/
443 	{ 0x00003958,	0,	7 }, /*BST_ATRIM_IADC_OFFSET3*/
444 	{ 0x00003958,	8,	7 }, /*BST_ATRIM_IADC_GAIN3*/
445 	{ 0x00003958,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET3*/
446 	{ 0x00003958,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN3*/
447 	{ 0x0000395C,	0,	7 }, /*BST_ATRIM_IADC_OFFSET4*/
448 	{ 0x0000395C,	8,	7 }, /*BST_ATRIM_IADC_GAIN4*/
449 	{ 0x0000395C,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET4*/
450 	{ 0x0000395C,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN4*/
451 	{ 0x0000416C,	0,	8 }, /*VMON_GAIN_OTP_VAL*/
452 	{ 0x00004160,	0,	7 }, /*VMON_OFFSET_OTP_VAL*/
453 	{ 0x0000416C,	8,	8 }, /*IMON_GAIN_OTP_VAL*/
454 	{ 0x00004160,	16,	10 }, /*IMON_OFFSET_OTP_VAL*/
455 	{ 0x0000416C,	16,	12 }, /*VMON_CM_GAIN_OTP_VAL*/
456 	{ 0x0000416C,	28,	1 }, /*VMON_CM_GAIN_SIGN_OTP_VAL*/
457 	{ 0x00004170,	0,	6 }, /*IMON_CAL_TEMPCO_OTP_VAL*/
458 	{ 0x00004170,	6,	1 }, /*IMON_CAL_TEMPCO_SIGN_OTP*/
459 	{ 0x00004170,	8,	6 }, /*IMON_CAL_TEMPCO2_OTP_VAL*/
460 	{ 0x00004170,	14,	1 }, /*IMON_CAL_TEMPCO2_DN_UPB_OTP_VAL*/
461 	{ 0x00004170,	16,	9 }, /*IMON_CAL_TEMPCO_TBASE_OTP_VAL*/
462 	{ 0x00004360,	0,	5 }, /*TEMP_GAIN_OTP_VAL*/
463 	{ 0x00004360,	6,	9 }, /*TEMP_OFFSET_OTP_VAL*/
464 	{ 0x00004448,	0,	8 }, /*VP_SARADC_OFFSET*/
465 	{ 0x00004448,	8,	8 }, /*VP_GAIN_INDEX*/
466 	{ 0x00004448,	16,	8 }, /*VBST_SARADC_OFFSET*/
467 	{ 0x00004448,	24,	8 }, /*VBST_GAIN_INDEX*/
468 	{ 0x0000444C,	0,	3 }, /*ANA_SELINVREF*/
469 	{ 0x00006E30,	0,	5 }, /*GAIN_ERR_COEFF_0*/
470 	{ 0x00006E30,	8,	5 }, /*GAIN_ERR_COEFF_1*/
471 	{ 0x00006E30,	16,	5 }, /*GAIN_ERR_COEFF_2*/
472 	{ 0x00006E30,	24,	5 }, /*GAIN_ERR_COEFF_3*/
473 	{ 0x00006E34,	0,	5 }, /*GAIN_ERR_COEFF_4*/
474 	{ 0x00006E34,	8,	5 }, /*GAIN_ERR_COEFF_5*/
475 	{ 0x00006E34,	16,	5 }, /*GAIN_ERR_COEFF_6*/
476 	{ 0x00006E34,	24,	5 }, /*GAIN_ERR_COEFF_7*/
477 	{ 0x00006E38,	0,	5 }, /*GAIN_ERR_COEFF_8*/
478 	{ 0x00006E38,	8,	5 }, /*GAIN_ERR_COEFF_9*/
479 	{ 0x00006E38,	16,	5 }, /*GAIN_ERR_COEFF_10*/
480 	{ 0x00006E38,	24,	5 }, /*GAIN_ERR_COEFF_11*/
481 	{ 0x00006E3C,	0,	5 }, /*GAIN_ERR_COEFF_12*/
482 	{ 0x00006E3C,	8,	5 }, /*GAIN_ERR_COEFF_13*/
483 	{ 0x00006E3C,	16,	5 }, /*GAIN_ERR_COEFF_14*/
484 	{ 0x00006E3C,	24,	5 }, /*GAIN_ERR_COEFF_15*/
485 	{ 0x00006E40,	0,	5 }, /*GAIN_ERR_COEFF_16*/
486 	{ 0x00006E40,	8,	5 }, /*GAIN_ERR_COEFF_17*/
487 	{ 0x00006E40,	16,	5 }, /*GAIN_ERR_COEFF_18*/
488 	{ 0x00006E40,	24,	5 }, /*GAIN_ERR_COEFF_19*/
489 	{ 0x00006E44,	0,	5 }, /*GAIN_ERR_COEFF_20*/
490 	{ 0x00006E48,	0,	10 }, /*VOFF_GAIN_0*/
491 	{ 0x00006E48,	10,	10 }, /*VOFF_GAIN_1*/
492 	{ 0x00006E48,	20,	10 }, /*VOFF_GAIN_2*/
493 	{ 0x00006E4C,	0,	10 }, /*VOFF_GAIN_3*/
494 	{ 0x00006E4C,	10,	10 }, /*VOFF_GAIN_4*/
495 	{ 0x00006E4C,	20,	10 }, /*VOFF_GAIN_5*/
496 	{ 0x00006E50,	0,	10 }, /*VOFF_GAIN_6*/
497 	{ 0x00006E50,	10,	10 }, /*VOFF_GAIN_7*/
498 	{ 0x00006E50,	20,	10 }, /*VOFF_GAIN_8*/
499 	{ 0x00006E54,	0,	10 }, /*VOFF_GAIN_9*/
500 	{ 0x00006E54,	10,	10 }, /*VOFF_GAIN_10*/
501 	{ 0x00006E54,	20,	10 }, /*VOFF_GAIN_11*/
502 	{ 0x00006E58,	0,	10 }, /*VOFF_GAIN_12*/
503 	{ 0x00006E58,	10,	10 }, /*VOFF_GAIN_13*/
504 	{ 0x00006E58,	20,	10 }, /*VOFF_GAIN_14*/
505 	{ 0x00006E5C,	0,	10 }, /*VOFF_GAIN_15*/
506 	{ 0x00006E5C,	10,	10 }, /*VOFF_GAIN_16*/
507 	{ 0x00006E5C,	20,	10 }, /*VOFF_GAIN_17*/
508 	{ 0x00006E60,	0,	10 }, /*VOFF_GAIN_18*/
509 	{ 0x00006E60,	10,	10 }, /*VOFF_GAIN_19*/
510 	{ 0x00006E60,	20,	10 }, /*VOFF_GAIN_20*/
511 	{ 0x00006E64,	0,	10 }, /*VOFF_INT1*/
512 	{ 0x00007418,	7,	5 }, /*DS_SPK_INT1_CAP_TRIM*/
513 	{ 0x0000741C,	0,	5 }, /*DS_SPK_INT2_CAP_TRIM*/
514 	{ 0x0000741C,	11,	4 }, /*DS_SPK_LPF_CAP_TRIM*/
515 	{ 0x0000741C,	19,	4 }, /*DS_SPK_QUAN_CAP_TRIM*/
516 	{ 0x00007434,	17,	1 }, /*FORCE_CAL*/
517 	{ 0x00007434,	18,	7 }, /*CAL_OVERRIDE*/
518 	{ 0x00007068,	0,	9 }, /*MODIX*/
519 	{ 0x0000410C,	7,	1 }, /*VIMON_DLY_NOT_COMB*/
520 	{ 0x0000400C,	0,	7 }, /*VIMON_DLY*/
521 	{ 0x00000000,	0,	1 }, /*extra bit*/
522 	{ 0x00017040,	0,	8 }, /*X_COORDINATE*/
523 	{ 0x00017040,	8,	8 }, /*Y_COORDINATE*/
524 	{ 0x00017040,	16,	8 }, /*WAFER_ID*/
525 	{ 0x00017040,	24,	8 }, /*DVS*/
526 	{ 0x00017044,	0,	24 }, /*LOT_NUMBER*/
527 };
528 
529 static const struct cs35l41_otp_packed_element_t otp_map_2[] = {
530 	/* addr         shift   size */
531 	{ 0x00002030,	0,	4 }, /*TRIM_OSC_FREQ_TRIM*/
532 	{ 0x00002030,	7,	1 }, /*TRIM_OSC_TRIM_DONE*/
533 	{ 0x0000208c,	24,	6 }, /*TST_DIGREG_VREF_TRIM*/
534 	{ 0x00002090,	14,	4 }, /*TST_REF_TRIM*/
535 	{ 0x00002090,	10,	4 }, /*TST_REF_TEMPCO_TRIM*/
536 	{ 0x0000300C,	11,	4 }, /*PLL_LDOA_TST_VREF_TRIM*/
537 	{ 0x0000394C,	23,	2 }, /*BST_ATEST_CM_VOFF*/
538 	{ 0x00003950,	0,	7 }, /*BST_ATRIM_IADC_OFFSET*/
539 	{ 0x00003950,	8,	7 }, /*BST_ATRIM_IADC_GAIN1*/
540 	{ 0x00003950,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET1*/
541 	{ 0x00003950,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN1*/
542 	{ 0x00003954,	0,	7 }, /*BST_ATRIM_IADC_OFFSET2*/
543 	{ 0x00003954,	8,	7 }, /*BST_ATRIM_IADC_GAIN2*/
544 	{ 0x00003954,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET2*/
545 	{ 0x00003954,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN2*/
546 	{ 0x00003958,	0,	7 }, /*BST_ATRIM_IADC_OFFSET3*/
547 	{ 0x00003958,	8,	7 }, /*BST_ATRIM_IADC_GAIN3*/
548 	{ 0x00003958,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET3*/
549 	{ 0x00003958,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN3*/
550 	{ 0x0000395C,	0,	7 }, /*BST_ATRIM_IADC_OFFSET4*/
551 	{ 0x0000395C,	8,	7 }, /*BST_ATRIM_IADC_GAIN4*/
552 	{ 0x0000395C,	16,	8 }, /*BST_ATRIM_IPKCOMP_OFFSET4*/
553 	{ 0x0000395C,	24,	8 }, /*BST_ATRIM_IPKCOMP_GAIN4*/
554 	{ 0x0000416C,	0,	8 }, /*VMON_GAIN_OTP_VAL*/
555 	{ 0x00004160,	0,	7 }, /*VMON_OFFSET_OTP_VAL*/
556 	{ 0x0000416C,	8,	8 }, /*IMON_GAIN_OTP_VAL*/
557 	{ 0x00004160,	16,	10 }, /*IMON_OFFSET_OTP_VAL*/
558 	{ 0x0000416C,	16,	12 }, /*VMON_CM_GAIN_OTP_VAL*/
559 	{ 0x0000416C,	28,	1 }, /*VMON_CM_GAIN_SIGN_OTP_VAL*/
560 	{ 0x00004170,	0,	6 }, /*IMON_CAL_TEMPCO_OTP_VAL*/
561 	{ 0x00004170,	6,	1 }, /*IMON_CAL_TEMPCO_SIGN_OTP*/
562 	{ 0x00004170,	8,	6 }, /*IMON_CAL_TEMPCO2_OTP_VAL*/
563 	{ 0x00004170,	14,	1 }, /*IMON_CAL_TEMPCO2_DN_UPB_OTP_VAL*/
564 	{ 0x00004170,	16,	9 }, /*IMON_CAL_TEMPCO_TBASE_OTP_VAL*/
565 	{ 0x00004360,	0,	5 }, /*TEMP_GAIN_OTP_VAL*/
566 	{ 0x00004360,	6,	9 }, /*TEMP_OFFSET_OTP_VAL*/
567 	{ 0x00004448,	0,	8 }, /*VP_SARADC_OFFSET*/
568 	{ 0x00004448,	8,	8 }, /*VP_GAIN_INDEX*/
569 	{ 0x00004448,	16,	8 }, /*VBST_SARADC_OFFSET*/
570 	{ 0x00004448,	24,	8 }, /*VBST_GAIN_INDEX*/
571 	{ 0x0000444C,	0,	3 }, /*ANA_SELINVREF*/
572 	{ 0x00006E30,	0,	5 }, /*GAIN_ERR_COEFF_0*/
573 	{ 0x00006E30,	8,	5 }, /*GAIN_ERR_COEFF_1*/
574 	{ 0x00006E30,	16,	5 }, /*GAIN_ERR_COEFF_2*/
575 	{ 0x00006E30,	24,	5 }, /*GAIN_ERR_COEFF_3*/
576 	{ 0x00006E34,	0,	5 }, /*GAIN_ERR_COEFF_4*/
577 	{ 0x00006E34,	8,	5 }, /*GAIN_ERR_COEFF_5*/
578 	{ 0x00006E34,	16,	5 }, /*GAIN_ERR_COEFF_6*/
579 	{ 0x00006E34,	24,	5 }, /*GAIN_ERR_COEFF_7*/
580 	{ 0x00006E38,	0,	5 }, /*GAIN_ERR_COEFF_8*/
581 	{ 0x00006E38,	8,	5 }, /*GAIN_ERR_COEFF_9*/
582 	{ 0x00006E38,	16,	5 }, /*GAIN_ERR_COEFF_10*/
583 	{ 0x00006E38,	24,	5 }, /*GAIN_ERR_COEFF_11*/
584 	{ 0x00006E3C,	0,	5 }, /*GAIN_ERR_COEFF_12*/
585 	{ 0x00006E3C,	8,	5 }, /*GAIN_ERR_COEFF_13*/
586 	{ 0x00006E3C,	16,	5 }, /*GAIN_ERR_COEFF_14*/
587 	{ 0x00006E3C,	24,	5 }, /*GAIN_ERR_COEFF_15*/
588 	{ 0x00006E40,	0,	5 }, /*GAIN_ERR_COEFF_16*/
589 	{ 0x00006E40,	8,	5 }, /*GAIN_ERR_COEFF_17*/
590 	{ 0x00006E40,	16,	5 }, /*GAIN_ERR_COEFF_18*/
591 	{ 0x00006E40,	24,	5 }, /*GAIN_ERR_COEFF_19*/
592 	{ 0x00006E44,	0,	5 }, /*GAIN_ERR_COEFF_20*/
593 	{ 0x00006E48,	0,	10 }, /*VOFF_GAIN_0*/
594 	{ 0x00006E48,	10,	10 }, /*VOFF_GAIN_1*/
595 	{ 0x00006E48,	20,	10 }, /*VOFF_GAIN_2*/
596 	{ 0x00006E4C,	0,	10 }, /*VOFF_GAIN_3*/
597 	{ 0x00006E4C,	10,	10 }, /*VOFF_GAIN_4*/
598 	{ 0x00006E4C,	20,	10 }, /*VOFF_GAIN_5*/
599 	{ 0x00006E50,	0,	10 }, /*VOFF_GAIN_6*/
600 	{ 0x00006E50,	10,	10 }, /*VOFF_GAIN_7*/
601 	{ 0x00006E50,	20,	10 }, /*VOFF_GAIN_8*/
602 	{ 0x00006E54,	0,	10 }, /*VOFF_GAIN_9*/
603 	{ 0x00006E54,	10,	10 }, /*VOFF_GAIN_10*/
604 	{ 0x00006E54,	20,	10 }, /*VOFF_GAIN_11*/
605 	{ 0x00006E58,	0,	10 }, /*VOFF_GAIN_12*/
606 	{ 0x00006E58,	10,	10 }, /*VOFF_GAIN_13*/
607 	{ 0x00006E58,	20,	10 }, /*VOFF_GAIN_14*/
608 	{ 0x00006E5C,	0,	10 }, /*VOFF_GAIN_15*/
609 	{ 0x00006E5C,	10,	10 }, /*VOFF_GAIN_16*/
610 	{ 0x00006E5C,	20,	10 }, /*VOFF_GAIN_17*/
611 	{ 0x00006E60,	0,	10 }, /*VOFF_GAIN_18*/
612 	{ 0x00006E60,	10,	10 }, /*VOFF_GAIN_19*/
613 	{ 0x00006E60,	20,	10 }, /*VOFF_GAIN_20*/
614 	{ 0x00006E64,	0,	10 }, /*VOFF_INT1*/
615 	{ 0x00007418,	7,	5 }, /*DS_SPK_INT1_CAP_TRIM*/
616 	{ 0x0000741C,	0,	5 }, /*DS_SPK_INT2_CAP_TRIM*/
617 	{ 0x0000741C,	11,	4 }, /*DS_SPK_LPF_CAP_TRIM*/
618 	{ 0x0000741C,	19,	4 }, /*DS_SPK_QUAN_CAP_TRIM*/
619 	{ 0x00007434,	17,	1 }, /*FORCE_CAL*/
620 	{ 0x00007434,	18,	7 }, /*CAL_OVERRIDE*/
621 	{ 0x00007068,	0,	9 }, /*MODIX*/
622 	{ 0x0000410C,	7,	1 }, /*VIMON_DLY_NOT_COMB*/
623 	{ 0x0000400C,	0,	7 }, /*VIMON_DLY*/
624 	{ 0x00004000,	11,	1 }, /*VMON_POL*/
625 	{ 0x00017040,	0,	8 }, /*X_COORDINATE*/
626 	{ 0x00017040,	8,	8 }, /*Y_COORDINATE*/
627 	{ 0x00017040,	16,	8 }, /*WAFER_ID*/
628 	{ 0x00017040,	24,	8 }, /*DVS*/
629 	{ 0x00017044,	0,	24 }, /*LOT_NUMBER*/
630 };
631 
632 static const struct reg_sequence cs35l41_reva0_errata_patch[] = {
633 	{ 0x00003854,			 0x05180240 },
634 	{ CS35L41_VIMON_SPKMON_RESYNC,	 0x00000000 },
635 	{ 0x00004310,			 0x00000000 },
636 	{ CS35L41_VPVBST_FS_SEL,	 0x00000000 },
637 	{ CS35L41_OTP_TRIM_30,		 0x9091A1C8 },
638 	{ 0x00003014,			 0x0200EE0E },
639 	{ CS35L41_BSTCVRT_DCM_CTRL,	 0x00000051 },
640 	{ 0x00000054,			 0x00000004 },
641 	{ CS35L41_IRQ1_DB3,		 0x00000000 },
642 	{ CS35L41_IRQ2_DB3,		 0x00000000 },
643 	{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
644 	{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
645 	{ CS35L41_PWR_CTRL2,		 0x00000000 },
646 	{ CS35L41_AMP_GAIN_CTRL,	 0x00000000 },
647 	{ CS35L41_ASP_TX3_SRC,		 0x00000000 },
648 	{ CS35L41_ASP_TX4_SRC,		 0x00000000 },
649 };
650 
651 static const struct reg_sequence cs35l41_revb0_errata_patch[] = {
652 	{ CS35L41_VIMON_SPKMON_RESYNC,	 0x00000000 },
653 	{ 0x00004310,			 0x00000000 },
654 	{ CS35L41_VPVBST_FS_SEL,	 0x00000000 },
655 	{ CS35L41_BSTCVRT_DCM_CTRL,	 0x00000051 },
656 	{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
657 	{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
658 	{ CS35L41_PWR_CTRL2,		 0x00000000 },
659 	{ CS35L41_AMP_GAIN_CTRL,	 0x00000000 },
660 	{ CS35L41_ASP_TX3_SRC,		 0x00000000 },
661 	{ CS35L41_ASP_TX4_SRC,		 0x00000000 },
662 };
663 
664 static const struct reg_sequence cs35l41_revb2_errata_patch[] = {
665 	{ CS35L41_VIMON_SPKMON_RESYNC,	 0x00000000 },
666 	{ 0x00004310,			 0x00000000 },
667 	{ CS35L41_VPVBST_FS_SEL,	 0x00000000 },
668 	{ CS35L41_BSTCVRT_DCM_CTRL,	 0x00000051 },
669 	{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
670 	{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
671 	{ CS35L41_PWR_CTRL2,		 0x00000000 },
672 	{ CS35L41_AMP_GAIN_CTRL,	 0x00000000 },
673 	{ CS35L41_ASP_TX3_SRC,		 0x00000000 },
674 	{ CS35L41_ASP_TX4_SRC,		 0x00000000 },
675 };
676 
677 static const struct reg_sequence cs35l41_fs_errata_patch[] = {
678 	{ CS35L41_DSP1_RX1_RATE,	0x00000001 },
679 	{ CS35L41_DSP1_RX2_RATE,	0x00000001 },
680 	{ CS35L41_DSP1_RX3_RATE,	0x00000001 },
681 	{ CS35L41_DSP1_RX4_RATE,	0x00000001 },
682 	{ CS35L41_DSP1_RX5_RATE,	0x00000001 },
683 	{ CS35L41_DSP1_RX6_RATE,	0x00000001 },
684 	{ CS35L41_DSP1_RX7_RATE,	0x00000001 },
685 	{ CS35L41_DSP1_RX8_RATE,	0x00000001 },
686 	{ CS35L41_DSP1_TX1_RATE,	0x00000001 },
687 	{ CS35L41_DSP1_TX2_RATE,	0x00000001 },
688 	{ CS35L41_DSP1_TX3_RATE,	0x00000001 },
689 	{ CS35L41_DSP1_TX4_RATE,	0x00000001 },
690 	{ CS35L41_DSP1_TX5_RATE,	0x00000001 },
691 	{ CS35L41_DSP1_TX6_RATE,	0x00000001 },
692 	{ CS35L41_DSP1_TX7_RATE,	0x00000001 },
693 	{ CS35L41_DSP1_TX8_RATE,	0x00000001 },
694 };
695 
696 static const struct cs35l41_otp_map_element_t cs35l41_otp_map_map[] = {
697 	{
698 		.id = 0x01,
699 		.map = otp_map_1,
700 		.num_elements = ARRAY_SIZE(otp_map_1),
701 		.bit_offset = 16,
702 		.word_offset = 2,
703 	},
704 	{
705 		.id = 0x02,
706 		.map = otp_map_2,
707 		.num_elements = ARRAY_SIZE(otp_map_2),
708 		.bit_offset = 16,
709 		.word_offset = 2,
710 	},
711 	{
712 		.id = 0x03,
713 		.map = otp_map_2,
714 		.num_elements = ARRAY_SIZE(otp_map_2),
715 		.bit_offset = 16,
716 		.word_offset = 2,
717 	},
718 	{
719 		.id = 0x06,
720 		.map = otp_map_2,
721 		.num_elements = ARRAY_SIZE(otp_map_2),
722 		.bit_offset = 16,
723 		.word_offset = 2,
724 	},
725 	{
726 		.id = 0x08,
727 		.map = otp_map_1,
728 		.num_elements = ARRAY_SIZE(otp_map_1),
729 		.bit_offset = 16,
730 		.word_offset = 2,
731 	},
732 };
733 
734 struct regmap_config cs35l41_regmap_i2c = {
735 	.reg_bits = 32,
736 	.val_bits = 32,
737 	.reg_stride = CS35L41_REGSTRIDE,
738 	.reg_format_endian = REGMAP_ENDIAN_BIG,
739 	.val_format_endian = REGMAP_ENDIAN_BIG,
740 	.max_register = CS35L41_LASTREG,
741 	.reg_defaults = cs35l41_reg,
742 	.num_reg_defaults = ARRAY_SIZE(cs35l41_reg),
743 	.volatile_reg = cs35l41_volatile_reg,
744 	.readable_reg = cs35l41_readable_reg,
745 	.precious_reg = cs35l41_precious_reg,
746 	.cache_type = REGCACHE_MAPLE,
747 };
748 EXPORT_SYMBOL_GPL(cs35l41_regmap_i2c);
749 
750 struct regmap_config cs35l41_regmap_spi = {
751 	.reg_bits = 32,
752 	.val_bits = 32,
753 	.pad_bits = 16,
754 	.reg_stride = CS35L41_REGSTRIDE,
755 	.reg_format_endian = REGMAP_ENDIAN_BIG,
756 	.val_format_endian = REGMAP_ENDIAN_BIG,
757 	.max_register = CS35L41_LASTREG,
758 	.reg_defaults = cs35l41_reg,
759 	.num_reg_defaults = ARRAY_SIZE(cs35l41_reg),
760 	.volatile_reg = cs35l41_volatile_reg,
761 	.readable_reg = cs35l41_readable_reg,
762 	.precious_reg = cs35l41_precious_reg,
763 	.cache_type = REGCACHE_MAPLE,
764 };
765 EXPORT_SYMBOL_GPL(cs35l41_regmap_spi);
766 
767 static const struct cs35l41_otp_map_element_t *cs35l41_find_otp_map(u32 otp_id)
768 {
769 	int i;
770 
771 	for (i = 0; i < ARRAY_SIZE(cs35l41_otp_map_map); i++) {
772 		if (cs35l41_otp_map_map[i].id == otp_id)
773 			return &cs35l41_otp_map_map[i];
774 	}
775 
776 	return NULL;
777 }
778 
779 int cs35l41_test_key_unlock(struct device *dev, struct regmap *regmap)
780 {
781 	static const struct reg_sequence unlock[] = {
782 		{ CS35L41_TEST_KEY_CTL, 0x00000055 },
783 		{ CS35L41_TEST_KEY_CTL, 0x000000AA },
784 	};
785 	int ret;
786 
787 	ret = regmap_multi_reg_write(regmap, unlock, ARRAY_SIZE(unlock));
788 	if (ret)
789 		dev_err(dev, "Failed to unlock test key: %d\n", ret);
790 
791 	return ret;
792 }
793 EXPORT_SYMBOL_GPL(cs35l41_test_key_unlock);
794 
795 int cs35l41_test_key_lock(struct device *dev, struct regmap *regmap)
796 {
797 	static const struct reg_sequence unlock[] = {
798 		{ CS35L41_TEST_KEY_CTL, 0x000000CC },
799 		{ CS35L41_TEST_KEY_CTL, 0x00000033 },
800 	};
801 	int ret;
802 
803 	ret = regmap_multi_reg_write(regmap, unlock, ARRAY_SIZE(unlock));
804 	if (ret)
805 		dev_err(dev, "Failed to lock test key: %d\n", ret);
806 
807 	return ret;
808 }
809 EXPORT_SYMBOL_GPL(cs35l41_test_key_lock);
810 
811 /* Must be called with the TEST_KEY unlocked */
812 int cs35l41_otp_unpack(struct device *dev, struct regmap *regmap)
813 {
814 	const struct cs35l41_otp_map_element_t *otp_map_match;
815 	const struct cs35l41_otp_packed_element_t *otp_map;
816 	int bit_offset, word_offset, ret, i;
817 	unsigned int bit_sum = 8;
818 	u32 otp_val, otp_id_reg;
819 	u32 *otp_mem;
820 
821 	otp_mem = kmalloc_array(CS35L41_OTP_SIZE_WORDS, sizeof(*otp_mem), GFP_KERNEL);
822 	if (!otp_mem)
823 		return -ENOMEM;
824 
825 	ret = regmap_read(regmap, CS35L41_OTPID, &otp_id_reg);
826 	if (ret) {
827 		dev_err(dev, "Read OTP ID failed: %d\n", ret);
828 		goto err_otp_unpack;
829 	}
830 
831 	otp_map_match = cs35l41_find_otp_map(otp_id_reg);
832 
833 	if (!otp_map_match) {
834 		dev_err(dev, "OTP Map matching ID %d not found\n", otp_id_reg);
835 		ret = -EINVAL;
836 		goto err_otp_unpack;
837 	}
838 
839 	ret = regmap_bulk_read(regmap, CS35L41_OTP_MEM0, otp_mem, CS35L41_OTP_SIZE_WORDS);
840 	if (ret) {
841 		dev_err(dev, "Read OTP Mem failed: %d\n", ret);
842 		goto err_otp_unpack;
843 	}
844 
845 	otp_map = otp_map_match->map;
846 
847 	bit_offset = otp_map_match->bit_offset;
848 	word_offset = otp_map_match->word_offset;
849 
850 	for (i = 0; i < otp_map_match->num_elements; i++) {
851 		dev_dbg(dev, "bitoffset= %d, word_offset=%d, bit_sum mod 32=%d, otp_map[i].size = %u\n",
852 			bit_offset, word_offset, bit_sum % 32, otp_map[i].size);
853 		if (bit_offset + otp_map[i].size - 1 >= 32) {
854 			otp_val = (otp_mem[word_offset] &
855 					GENMASK(31, bit_offset)) >> bit_offset;
856 			otp_val |= (otp_mem[++word_offset] &
857 					GENMASK(bit_offset + otp_map[i].size - 33, 0)) <<
858 					(32 - bit_offset);
859 			bit_offset += otp_map[i].size - 32;
860 		} else if (bit_offset + otp_map[i].size - 1 >= 0) {
861 			otp_val = (otp_mem[word_offset] &
862 				   GENMASK(bit_offset + otp_map[i].size - 1, bit_offset)
863 				  ) >> bit_offset;
864 			bit_offset += otp_map[i].size;
865 		} else /* both bit_offset and otp_map[i].size are 0 */
866 			otp_val = 0;
867 
868 		bit_sum += otp_map[i].size;
869 
870 		if (bit_offset == 32) {
871 			bit_offset = 0;
872 			word_offset++;
873 		}
874 
875 		if (otp_map[i].reg != 0) {
876 			ret = regmap_update_bits(regmap, otp_map[i].reg,
877 						 GENMASK(otp_map[i].shift + otp_map[i].size - 1,
878 							 otp_map[i].shift),
879 						 otp_val << otp_map[i].shift);
880 			if (ret < 0) {
881 				dev_err(dev, "Write OTP val failed: %d\n", ret);
882 				goto err_otp_unpack;
883 			}
884 		}
885 	}
886 
887 	ret = 0;
888 
889 err_otp_unpack:
890 	kfree(otp_mem);
891 
892 	return ret;
893 }
894 EXPORT_SYMBOL_GPL(cs35l41_otp_unpack);
895 
896 /* Must be called with the TEST_KEY unlocked */
897 int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsigned int reg_revid)
898 {
899 	char *rev;
900 	int ret;
901 
902 	switch (reg_revid) {
903 	case CS35L41_REVID_A0:
904 		ret = regmap_register_patch(reg, cs35l41_reva0_errata_patch,
905 					    ARRAY_SIZE(cs35l41_reva0_errata_patch));
906 		rev = "A0";
907 		break;
908 	case CS35L41_REVID_B0:
909 		ret = regmap_register_patch(reg, cs35l41_revb0_errata_patch,
910 					    ARRAY_SIZE(cs35l41_revb0_errata_patch));
911 		rev = "B0";
912 		break;
913 	case CS35L41_REVID_B2:
914 		ret = regmap_register_patch(reg, cs35l41_revb2_errata_patch,
915 					    ARRAY_SIZE(cs35l41_revb2_errata_patch));
916 		rev = "B2";
917 		break;
918 	default:
919 		ret = -EINVAL;
920 		rev = "XX";
921 		break;
922 	}
923 
924 	if (ret)
925 		dev_err(dev, "Failed to apply %s errata patch: %d\n", rev, ret);
926 
927 	ret = regmap_write(reg, CS35L41_DSP1_CCM_CORE_CTRL, 0);
928 	if (ret < 0)
929 		dev_err(dev, "Write CCM_CORE_CTRL failed: %d\n", ret);
930 
931 	return ret;
932 }
933 EXPORT_SYMBOL_GPL(cs35l41_register_errata_patch);
934 
935 int cs35l41_set_channels(struct device *dev, struct regmap *reg,
936 			 unsigned int tx_num, unsigned int *tx_slot,
937 			 unsigned int rx_num, unsigned int *rx_slot)
938 {
939 	unsigned int val, mask;
940 	int i;
941 
942 	if (tx_num > 4 || rx_num > 2)
943 		return -EINVAL;
944 
945 	val = 0;
946 	mask = 0;
947 	for (i = 0; i < rx_num; i++) {
948 		dev_dbg(dev, "rx slot %d position = %d\n", i, rx_slot[i]);
949 		val |= rx_slot[i] << (i * 8);
950 		mask |= 0x3F << (i * 8);
951 	}
952 	regmap_update_bits(reg, CS35L41_SP_FRAME_RX_SLOT, mask, val);
953 
954 	val = 0;
955 	mask = 0;
956 	for (i = 0; i < tx_num; i++) {
957 		dev_dbg(dev, "tx slot %d position = %d\n", i, tx_slot[i]);
958 		val |= tx_slot[i] << (i * 8);
959 		mask |= 0x3F << (i * 8);
960 	}
961 	regmap_update_bits(reg, CS35L41_SP_FRAME_TX_SLOT, mask, val);
962 
963 	return 0;
964 }
965 EXPORT_SYMBOL_GPL(cs35l41_set_channels);
966 
967 static const unsigned char cs35l41_bst_k1_table[4][5] = {
968 	{ 0x24, 0x32, 0x32, 0x4F, 0x57 },
969 	{ 0x24, 0x32, 0x32, 0x4F, 0x57 },
970 	{ 0x40, 0x32, 0x32, 0x4F, 0x57 },
971 	{ 0x40, 0x32, 0x32, 0x4F, 0x57 }
972 };
973 
974 static const unsigned char cs35l41_bst_k2_table[4][5] = {
975 	{ 0x24, 0x49, 0x66, 0xA3, 0xEA },
976 	{ 0x24, 0x49, 0x66, 0xA3, 0xEA },
977 	{ 0x48, 0x49, 0x66, 0xA3, 0xEA },
978 	{ 0x48, 0x49, 0x66, 0xA3, 0xEA }
979 };
980 
981 static const unsigned char cs35l41_bst_slope_table[4] = {
982 	0x75, 0x6B, 0x3B, 0x28
983 };
984 
985 static int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_ind,
986 				int boost_cap, int boost_ipk)
987 {
988 	unsigned char bst_lbst_val, bst_cbst_range, bst_ipk_scaled;
989 	int ret;
990 
991 	switch (boost_ind) {
992 	case 1000:	/* 1.0 uH */
993 		bst_lbst_val = 0;
994 		break;
995 	case 1200:	/* 1.2 uH */
996 		bst_lbst_val = 1;
997 		break;
998 	case 1500:	/* 1.5 uH */
999 		bst_lbst_val = 2;
1000 		break;
1001 	case 2200:	/* 2.2 uH */
1002 		bst_lbst_val = 3;
1003 		break;
1004 	default:
1005 		dev_err(dev, "Invalid boost inductor value: %d nH\n", boost_ind);
1006 		return -EINVAL;
1007 	}
1008 
1009 	switch (boost_cap) {
1010 	case 0 ... 19:
1011 		bst_cbst_range = 0;
1012 		break;
1013 	case 20 ... 50:
1014 		bst_cbst_range = 1;
1015 		break;
1016 	case 51 ... 100:
1017 		bst_cbst_range = 2;
1018 		break;
1019 	case 101 ... 200:
1020 		bst_cbst_range = 3;
1021 		break;
1022 	default:
1023 		if (boost_cap < 0) {
1024 			dev_err(dev, "Invalid boost capacitor value: %d nH\n", boost_cap);
1025 			return -EINVAL;
1026 		}
1027 		/* 201 uF and greater */
1028 		bst_cbst_range = 4;
1029 	}
1030 
1031 	if (boost_ipk < 1600 || boost_ipk > 4500) {
1032 		dev_err(dev, "Invalid boost inductor peak current: %d mA\n", boost_ipk);
1033 		return -EINVAL;
1034 	}
1035 
1036 	ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_COEFF,
1037 				 CS35L41_BST_K1_MASK | CS35L41_BST_K2_MASK,
1038 				 cs35l41_bst_k1_table[bst_lbst_val][bst_cbst_range]
1039 					<< CS35L41_BST_K1_SHIFT |
1040 				 cs35l41_bst_k2_table[bst_lbst_val][bst_cbst_range]
1041 					<< CS35L41_BST_K2_SHIFT);
1042 	if (ret) {
1043 		dev_err(dev, "Failed to write boost coefficients: %d\n", ret);
1044 		return ret;
1045 	}
1046 
1047 	ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_SLOPE_LBST,
1048 				 CS35L41_BST_SLOPE_MASK | CS35L41_BST_LBST_VAL_MASK,
1049 				 cs35l41_bst_slope_table[bst_lbst_val]
1050 					<< CS35L41_BST_SLOPE_SHIFT |
1051 				 bst_lbst_val << CS35L41_BST_LBST_VAL_SHIFT);
1052 	if (ret) {
1053 		dev_err(dev, "Failed to write boost slope/inductor value: %d\n", ret);
1054 		return ret;
1055 	}
1056 
1057 	bst_ipk_scaled = ((boost_ipk - 1600) / 50) + 0x10;
1058 
1059 	ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_PEAK_CUR, CS35L41_BST_IPK_MASK,
1060 				 bst_ipk_scaled << CS35L41_BST_IPK_SHIFT);
1061 	if (ret) {
1062 		dev_err(dev, "Failed to write boost inductor peak current: %d\n", ret);
1063 		return ret;
1064 	}
1065 
1066 	regmap_update_bits(regmap, CS35L41_PWR_CTRL2, CS35L41_BST_EN_MASK,
1067 			   CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
1068 
1069 	return 0;
1070 }
1071 
1072 static const struct reg_sequence cs35l41_safe_to_reset[] = {
1073 	{ 0x00000040,			0x00000055 },
1074 	{ 0x00000040,			0x000000AA },
1075 	{ 0x0000393C,			0x000000C0, 6000},
1076 	{ 0x0000393C,			0x00000000 },
1077 	{ 0x00007414,			0x00C82222 },
1078 	{ 0x0000742C,			0x00000000 },
1079 	{ 0x00000040,			0x000000CC },
1080 	{ 0x00000040,			0x00000033 },
1081 };
1082 
1083 static const struct reg_sequence cs35l41_active_to_safe_start[] = {
1084 	{ 0x00000040,			0x00000055 },
1085 	{ 0x00000040,			0x000000AA },
1086 	{ 0x00007438,			0x00585941 },
1087 	{ CS35L41_PWR_CTRL1,		0x00000000 },
1088 	{ 0x0000742C,			0x00000009 },
1089 };
1090 
1091 static const struct reg_sequence cs35l41_active_to_safe_end[] = {
1092 	{ 0x00007438,			0x00580941 },
1093 	{ 0x00000040,			0x000000CC },
1094 	{ 0x00000040,			0x00000033 },
1095 };
1096 
1097 static const struct reg_sequence cs35l41_safe_to_active_start[] = {
1098 	{ 0x00000040,			0x00000055 },
1099 	{ 0x00000040,			0x000000AA },
1100 	{ 0x0000742C,			0x0000000F },
1101 	{ 0x0000742C,			0x00000079 },
1102 	{ 0x00007438,			0x00585941 },
1103 	{ CS35L41_PWR_CTRL1,		0x00000001 }, // GLOBAL_EN = 1
1104 };
1105 
1106 static const struct reg_sequence cs35l41_safe_to_active_en_spk[] = {
1107 	{ 0x0000742C,			0x000000F9 },
1108 	{ 0x00007438,			0x00580941 },
1109 };
1110 
1111 static const struct reg_sequence cs35l41_reset_to_safe[] = {
1112 	{ 0x00000040,			0x00000055 },
1113 	{ 0x00000040,			0x000000AA },
1114 	{ 0x00007438,			0x00585941 },
1115 	{ 0x00007414,			0x08C82222 },
1116 	{ 0x0000742C,			0x00000009 },
1117 	{ 0x00000040,			0x000000CC },
1118 	{ 0x00000040,			0x00000033 },
1119 };
1120 
1121 static const struct reg_sequence cs35l41_actv_seq[] = {
1122 	/* SYNC_BST_CTL_RX_EN = 1; SYNC_BST_CTL_TX_EN = 1 */
1123 	{CS35L41_MDSYNC_EN,        0x00003000},
1124 	/* BST_CTL_SEL = MDSYNC */
1125 	{CS35L41_BSTCVRT_VCTRL2,    0x00000002},
1126 };
1127 
1128 static const struct reg_sequence cs35l41_pass_seq[] = {
1129 	/* SYNC_BST_CTL_RX_EN = 0; SYNC_BST_CTL_TX_EN = 1 */
1130 	{CS35L41_MDSYNC_EN,        0x00001000},
1131 	/* BST_EN = 0 */
1132 	{CS35L41_PWR_CTRL2,        0x00003300},
1133 	/* BST_CTL_SEL = MDSYNC */
1134 	{CS35L41_BSTCVRT_VCTRL2,    0x00000002},
1135 };
1136 
1137 int cs35l41_init_boost(struct device *dev, struct regmap *regmap,
1138 		       struct cs35l41_hw_cfg *hw_cfg)
1139 {
1140 	int ret;
1141 
1142 	switch (hw_cfg->bst_type) {
1143 	case CS35L41_SHD_BOOST_ACTV:
1144 		regmap_multi_reg_write(regmap, cs35l41_actv_seq, ARRAY_SIZE(cs35l41_actv_seq));
1145 		fallthrough;
1146 	case CS35L41_INT_BOOST:
1147 		ret = cs35l41_boost_config(dev, regmap, hw_cfg->bst_ind,
1148 					   hw_cfg->bst_cap, hw_cfg->bst_ipk);
1149 		if (ret)
1150 			dev_err(dev, "Error in Boost DT config: %d\n", ret);
1151 		break;
1152 	case CS35L41_EXT_BOOST:
1153 	case CS35L41_EXT_BOOST_NO_VSPK_SWITCH:
1154 		/* Only CLSA0100 doesn't use GPIO as VSPK switch, but even on that laptop we can
1155 		 * toggle GPIO1 as is not connected to anything.
1156 		 * There will be no other device without VSPK switch.
1157 		 */
1158 		regmap_write(regmap, CS35L41_GPIO1_CTRL1, 0x00000001);
1159 		regmap_multi_reg_write(regmap, cs35l41_reset_to_safe,
1160 				       ARRAY_SIZE(cs35l41_reset_to_safe));
1161 		ret = regmap_update_bits(regmap, CS35L41_PWR_CTRL2, CS35L41_BST_EN_MASK,
1162 					 CS35L41_BST_DIS_FET_OFF << CS35L41_BST_EN_SHIFT);
1163 		break;
1164 	case CS35L41_SHD_BOOST_PASS:
1165 		ret = regmap_multi_reg_write(regmap, cs35l41_pass_seq,
1166 					     ARRAY_SIZE(cs35l41_pass_seq));
1167 		break;
1168 	default:
1169 		dev_err(dev, "Boost type %d not supported\n", hw_cfg->bst_type);
1170 		ret = -EINVAL;
1171 		break;
1172 	}
1173 
1174 	return ret;
1175 }
1176 EXPORT_SYMBOL_GPL(cs35l41_init_boost);
1177 
1178 bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type)
1179 {
1180 	switch (b_type) {
1181 	/* There is only one laptop that doesn't have VSPK switch. */
1182 	case CS35L41_EXT_BOOST_NO_VSPK_SWITCH:
1183 		return false;
1184 	case CS35L41_EXT_BOOST:
1185 		regmap_write(regmap, CS35L41_GPIO1_CTRL1, 0x00000001);
1186 		regmap_multi_reg_write(regmap, cs35l41_safe_to_reset,
1187 				       ARRAY_SIZE(cs35l41_safe_to_reset));
1188 		return true;
1189 	default:
1190 		return true;
1191 	}
1192 }
1193 EXPORT_SYMBOL_GPL(cs35l41_safe_reset);
1194 
1195 /*
1196  * Enabling the CS35L41_SHD_BOOST_ACTV and CS35L41_SHD_BOOST_PASS shared boosts
1197  * does also require a call to cs35l41_mdsync_up(), but not before getting the
1198  * PLL Lock signal.
1199  *
1200  * PLL Lock seems to be triggered soon after snd_pcm_start() is executed and
1201  * SNDRV_PCM_TRIGGER_START command is processed, which happens (long) after the
1202  * SND_SOC_DAPM_PRE_PMU event handler is invoked as part of snd_pcm_prepare().
1203  *
1204  * This event handler is where cs35l41_global_enable() is normally called from,
1205  * but waiting for PLL Lock here will time out. Increasing the wait duration
1206  * will not help, as the only consequence of it would be to add an unnecessary
1207  * delay in the invocation of snd_pcm_start().
1208  *
1209  * Trying to move the wait in the SNDRV_PCM_TRIGGER_START callback is not a
1210  * solution either, as the trigger is executed in an IRQ-off atomic context.
1211  *
1212  * The current approach is to invoke cs35l41_mdsync_up() right after receiving
1213  * the PLL Lock interrupt, in the IRQ handler.
1214  */
1215 int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l41_boost_type b_type,
1216 			  int enable, bool firmware_running)
1217 {
1218 	int ret;
1219 	unsigned int gpio1_func, pad_control, pwr_ctrl1, pwr_ctrl3, int_status, pup_pdn_mask;
1220 	unsigned int pwr_ctl1_val;
1221 	struct reg_sequence cs35l41_mdsync_down_seq[] = {
1222 		{CS35L41_PWR_CTRL3,		0},
1223 		{CS35L41_GPIO_PAD_CONTROL,	0},
1224 		{CS35L41_PWR_CTRL1,		0, 3000},
1225 	};
1226 
1227 	pup_pdn_mask = enable ? CS35L41_PUP_DONE_MASK : CS35L41_PDN_DONE_MASK;
1228 
1229 	ret = regmap_read(regmap, CS35L41_PWR_CTRL1, &pwr_ctl1_val);
1230 	if (ret)
1231 		return ret;
1232 
1233 	if ((pwr_ctl1_val & CS35L41_GLOBAL_EN_MASK) && enable) {
1234 		dev_dbg(dev, "Cannot set Global Enable - already set.\n");
1235 		return 0;
1236 	} else if (!(pwr_ctl1_val & CS35L41_GLOBAL_EN_MASK) && !enable) {
1237 		dev_dbg(dev, "Cannot unset Global Enable - not set.\n");
1238 		return 0;
1239 	}
1240 
1241 	switch (b_type) {
1242 	case CS35L41_SHD_BOOST_ACTV:
1243 	case CS35L41_SHD_BOOST_PASS:
1244 		regmap_read(regmap, CS35L41_PWR_CTRL3, &pwr_ctrl3);
1245 		regmap_read(regmap, CS35L41_GPIO_PAD_CONTROL, &pad_control);
1246 
1247 		pwr_ctrl3 &= ~CS35L41_SYNC_EN_MASK;
1248 		pwr_ctrl1 = enable << CS35L41_GLOBAL_EN_SHIFT;
1249 
1250 		gpio1_func = enable ? CS35L41_GPIO1_MDSYNC : CS35L41_GPIO1_HIZ;
1251 		gpio1_func <<= CS35L41_GPIO1_CTRL_SHIFT;
1252 
1253 		pad_control &= ~CS35L41_GPIO1_CTRL_MASK;
1254 		pad_control |= gpio1_func & CS35L41_GPIO1_CTRL_MASK;
1255 
1256 		cs35l41_mdsync_down_seq[0].def = pwr_ctrl3;
1257 		cs35l41_mdsync_down_seq[1].def = pad_control;
1258 		cs35l41_mdsync_down_seq[2].def = pwr_ctrl1;
1259 
1260 		ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_down_seq,
1261 					     ARRAY_SIZE(cs35l41_mdsync_down_seq));
1262 		/* Activation to be completed later via cs35l41_mdsync_up() */
1263 		if (ret || enable)
1264 			return ret;
1265 
1266 		ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1,
1267 					int_status, int_status & pup_pdn_mask,
1268 					1000, 100000);
1269 		if (ret)
1270 			dev_err(dev, "Enable(%d) failed: %d\n", enable, ret);
1271 
1272 		/* Clear PUP/PDN status */
1273 		regmap_write(regmap, CS35L41_IRQ1_STATUS1, pup_pdn_mask);
1274 		break;
1275 	case CS35L41_INT_BOOST:
1276 		ret = regmap_update_bits(regmap, CS35L41_PWR_CTRL1, CS35L41_GLOBAL_EN_MASK,
1277 					 enable << CS35L41_GLOBAL_EN_SHIFT);
1278 		if (ret) {
1279 			dev_err(dev, "CS35L41_PWR_CTRL1 set failed: %d\n", ret);
1280 			return ret;
1281 		}
1282 
1283 		ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1,
1284 					int_status, int_status & pup_pdn_mask,
1285 					1000, 100000);
1286 		if (ret)
1287 			dev_err(dev, "Enable(%d) failed: %d\n", enable, ret);
1288 
1289 		/* Clear PUP/PDN status */
1290 		regmap_write(regmap, CS35L41_IRQ1_STATUS1, pup_pdn_mask);
1291 		break;
1292 	case CS35L41_EXT_BOOST:
1293 	case CS35L41_EXT_BOOST_NO_VSPK_SWITCH:
1294 		if (enable) {
1295 			/* Test Key is unlocked here */
1296 			ret = regmap_multi_reg_write(regmap, cs35l41_safe_to_active_start,
1297 						     ARRAY_SIZE(cs35l41_safe_to_active_start));
1298 			if (ret)
1299 				return ret;
1300 
1301 			ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1, int_status,
1302 				       int_status & CS35L41_PUP_DONE_MASK, 1000, 100000);
1303 			if (ret) {
1304 				dev_err(dev, "Failed waiting for CS35L41_PUP_DONE_MASK: %d\n", ret);
1305 				/* Lock the test key, it was unlocked during the multi_reg_write */
1306 				cs35l41_test_key_lock(dev, regmap);
1307 				return ret;
1308 			}
1309 			regmap_write(regmap, CS35L41_IRQ1_STATUS1, CS35L41_PUP_DONE_MASK);
1310 
1311 			if (firmware_running)
1312 				ret = cs35l41_set_cspl_mbox_cmd(dev, regmap,
1313 								CSPL_MBOX_CMD_SPK_OUT_ENABLE);
1314 			else
1315 				ret = regmap_multi_reg_write(regmap, cs35l41_safe_to_active_en_spk,
1316 							ARRAY_SIZE(cs35l41_safe_to_active_en_spk));
1317 
1318 			/* Lock the test key, it was unlocked during the multi_reg_write */
1319 			cs35l41_test_key_lock(dev, regmap);
1320 		} else {
1321 			/* Test Key is unlocked here */
1322 			ret = regmap_multi_reg_write(regmap, cs35l41_active_to_safe_start,
1323 						     ARRAY_SIZE(cs35l41_active_to_safe_start));
1324 			if (ret) {
1325 				/* Lock the test key, it was unlocked during the multi_reg_write */
1326 				cs35l41_test_key_lock(dev, regmap);
1327 				return ret;
1328 			}
1329 
1330 			ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1, int_status,
1331 				       int_status & CS35L41_PDN_DONE_MASK, 1000, 100000);
1332 			if (ret) {
1333 				dev_err(dev, "Failed waiting for CS35L41_PDN_DONE_MASK: %d\n", ret);
1334 				/* Lock the test key, it was unlocked during the multi_reg_write */
1335 				cs35l41_test_key_lock(dev, regmap);
1336 				return ret;
1337 			}
1338 			regmap_write(regmap, CS35L41_IRQ1_STATUS1, CS35L41_PDN_DONE_MASK);
1339 
1340 			/* Test Key is locked here */
1341 			ret = regmap_multi_reg_write(regmap, cs35l41_active_to_safe_end,
1342 						     ARRAY_SIZE(cs35l41_active_to_safe_end));
1343 		}
1344 		break;
1345 	default:
1346 		ret = -EINVAL;
1347 		break;
1348 	}
1349 
1350 	return ret;
1351 }
1352 EXPORT_SYMBOL_GPL(cs35l41_global_enable);
1353 
1354 /*
1355  * To be called after receiving the IRQ Lock interrupt, in order to complete
1356  * any shared boost activation initiated by cs35l41_global_enable().
1357  */
1358 int cs35l41_mdsync_up(struct regmap *regmap)
1359 {
1360 	return regmap_update_bits(regmap, CS35L41_PWR_CTRL3,
1361 				  CS35L41_SYNC_EN_MASK, CS35L41_SYNC_EN_MASK);
1362 }
1363 EXPORT_SYMBOL_GPL(cs35l41_mdsync_up);
1364 
1365 int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg)
1366 {
1367 	struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1;
1368 	struct cs35l41_gpio_cfg *gpio2 = &hw_cfg->gpio2;
1369 	int irq_pol = IRQF_TRIGGER_NONE;
1370 
1371 	regmap_update_bits(regmap, CS35L41_GPIO1_CTRL1,
1372 			   CS35L41_GPIO_POL_MASK | CS35L41_GPIO_DIR_MASK,
1373 			   gpio1->pol_inv << CS35L41_GPIO_POL_SHIFT |
1374 			   !gpio1->out_en << CS35L41_GPIO_DIR_SHIFT);
1375 
1376 	regmap_update_bits(regmap, CS35L41_GPIO2_CTRL1,
1377 			   CS35L41_GPIO_POL_MASK | CS35L41_GPIO_DIR_MASK,
1378 			   gpio2->pol_inv << CS35L41_GPIO_POL_SHIFT |
1379 			   !gpio2->out_en << CS35L41_GPIO_DIR_SHIFT);
1380 
1381 	if (gpio1->valid)
1382 		regmap_update_bits(regmap, CS35L41_GPIO_PAD_CONTROL, CS35L41_GPIO1_CTRL_MASK,
1383 				   gpio1->func << CS35L41_GPIO1_CTRL_SHIFT);
1384 
1385 	if (gpio2->valid) {
1386 		regmap_update_bits(regmap, CS35L41_GPIO_PAD_CONTROL, CS35L41_GPIO2_CTRL_MASK,
1387 				   gpio2->func << CS35L41_GPIO2_CTRL_SHIFT);
1388 
1389 		switch (gpio2->func) {
1390 		case CS35L41_GPIO2_INT_PUSH_PULL_LOW:
1391 		case CS35L41_GPIO2_INT_OPEN_DRAIN:
1392 			irq_pol = IRQF_TRIGGER_LOW;
1393 			break;
1394 		case CS35L41_GPIO2_INT_PUSH_PULL_HIGH:
1395 			irq_pol = IRQF_TRIGGER_HIGH;
1396 			break;
1397 		default:
1398 			break;
1399 		}
1400 	}
1401 
1402 	return irq_pol;
1403 }
1404 EXPORT_SYMBOL_GPL(cs35l41_gpio_config);
1405 
1406 static const struct cs_dsp_region cs35l41_dsp1_regions[] = {
1407 	{ .type = WMFW_HALO_PM_PACKED,	.base = CS35L41_DSP1_PMEM_0 },
1408 	{ .type = WMFW_HALO_XM_PACKED,	.base = CS35L41_DSP1_XMEM_PACK_0 },
1409 	{ .type = WMFW_HALO_YM_PACKED,	.base = CS35L41_DSP1_YMEM_PACK_0 },
1410 	{. type = WMFW_ADSP2_XM,	.base = CS35L41_DSP1_XMEM_UNPACK24_0},
1411 	{. type = WMFW_ADSP2_YM,	.base = CS35L41_DSP1_YMEM_UNPACK24_0},
1412 };
1413 
1414 void cs35l41_configure_cs_dsp(struct device *dev, struct regmap *reg, struct cs_dsp *dsp)
1415 {
1416 	dsp->num = 1;
1417 	dsp->type = WMFW_HALO;
1418 	dsp->rev = 0;
1419 	dsp->dev = dev;
1420 	dsp->regmap = reg;
1421 	dsp->base = CS35L41_DSP1_CTRL_BASE;
1422 	dsp->base_sysinfo = CS35L41_DSP1_SYS_ID;
1423 	dsp->mem = cs35l41_dsp1_regions;
1424 	dsp->num_mems = ARRAY_SIZE(cs35l41_dsp1_regions);
1425 	dsp->lock_regions = 0xFFFFFFFF;
1426 }
1427 EXPORT_SYMBOL_GPL(cs35l41_configure_cs_dsp);
1428 
1429 static bool cs35l41_check_cspl_mbox_sts(enum cs35l41_cspl_mbox_cmd cmd,
1430 					enum cs35l41_cspl_mbox_status sts)
1431 {
1432 	switch (cmd) {
1433 	case CSPL_MBOX_CMD_NONE:
1434 	case CSPL_MBOX_CMD_UNKNOWN_CMD:
1435 		return true;
1436 	case CSPL_MBOX_CMD_PAUSE:
1437 	case CSPL_MBOX_CMD_OUT_OF_HIBERNATE:
1438 		return (sts == CSPL_MBOX_STS_PAUSED);
1439 	case CSPL_MBOX_CMD_RESUME:
1440 		return (sts == CSPL_MBOX_STS_RUNNING);
1441 	case CSPL_MBOX_CMD_REINIT:
1442 		return (sts == CSPL_MBOX_STS_RUNNING);
1443 	case CSPL_MBOX_CMD_STOP_PRE_REINIT:
1444 		return (sts == CSPL_MBOX_STS_RDY_FOR_REINIT);
1445 	case CSPL_MBOX_CMD_SPK_OUT_ENABLE:
1446 		return (sts == CSPL_MBOX_STS_RUNNING);
1447 	default:
1448 		return false;
1449 	}
1450 }
1451 
1452 int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap,
1453 			      enum cs35l41_cspl_mbox_cmd cmd)
1454 {
1455 	unsigned int sts = 0, i;
1456 	int ret;
1457 
1458 	// Set mailbox cmd
1459 	ret = regmap_write(regmap, CS35L41_DSP_VIRT1_MBOX_1, cmd);
1460 	if (ret < 0) {
1461 		if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
1462 			dev_err(dev, "Failed to write MBOX: %d\n", ret);
1463 		return ret;
1464 	}
1465 
1466 	// Read mailbox status and verify it is appropriate for the given cmd
1467 	for (i = 0; i < 5; i++) {
1468 		usleep_range(1000, 1100);
1469 
1470 		ret = regmap_read(regmap, CS35L41_DSP_MBOX_2, &sts);
1471 		if (ret < 0) {
1472 			dev_err(dev, "Failed to read MBOX STS: %d\n", ret);
1473 			continue;
1474 		}
1475 
1476 		if (!cs35l41_check_cspl_mbox_sts(cmd, sts))
1477 			dev_dbg(dev, "[%u] cmd %u returned invalid sts %u", i, cmd, sts);
1478 		else
1479 			return 0;
1480 	}
1481 
1482 	if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
1483 		dev_err(dev, "Failed to set mailbox cmd %u (status %u)\n", cmd, sts);
1484 
1485 	return -ENOMSG;
1486 }
1487 EXPORT_SYMBOL_GPL(cs35l41_set_cspl_mbox_cmd);
1488 
1489 int cs35l41_write_fs_errata(struct device *dev, struct regmap *regmap)
1490 {
1491 	int ret;
1492 
1493 	ret = regmap_multi_reg_write(regmap, cs35l41_fs_errata_patch,
1494 				     ARRAY_SIZE(cs35l41_fs_errata_patch));
1495 	if (ret < 0)
1496 		dev_err(dev, "Failed to write fs errata: %d\n", ret);
1497 
1498 	return ret;
1499 }
1500 EXPORT_SYMBOL_GPL(cs35l41_write_fs_errata);
1501 
1502 int cs35l41_enter_hibernate(struct device *dev, struct regmap *regmap,
1503 			    enum cs35l41_boost_type b_type)
1504 {
1505 	if (!cs35l41_safe_reset(regmap, b_type)) {
1506 		dev_dbg(dev, "System does not support Suspend\n");
1507 		return -EINVAL;
1508 	}
1509 
1510 	dev_dbg(dev, "Enter hibernate\n");
1511 	regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0088);
1512 	regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0188);
1513 
1514 	// Don't wait for ACK since bus activity would wake the device
1515 	regmap_write(regmap, CS35L41_DSP_VIRT1_MBOX_1, CSPL_MBOX_CMD_HIBERNATE);
1516 
1517 	return 0;
1518 }
1519 EXPORT_SYMBOL_GPL(cs35l41_enter_hibernate);
1520 
1521 static void cs35l41_wait_for_pwrmgt_sts(struct device *dev, struct regmap *regmap)
1522 {
1523 	const int pwrmgt_retries = 10;
1524 	unsigned int sts;
1525 	int i, ret;
1526 
1527 	for (i = 0; i < pwrmgt_retries; i++) {
1528 		ret = regmap_read(regmap, CS35L41_PWRMGT_STS, &sts);
1529 		if (ret)
1530 			dev_err(dev, "Failed to read PWRMGT_STS: %d\n", ret);
1531 		else if (!(sts & CS35L41_WR_PEND_STS_MASK))
1532 			return;
1533 
1534 		udelay(20);
1535 	}
1536 
1537 	dev_err(dev, "Timed out reading PWRMGT_STS\n");
1538 }
1539 
1540 int cs35l41_exit_hibernate(struct device *dev, struct regmap *regmap)
1541 {
1542 	const int wake_retries = 20;
1543 	const int sleep_retries = 5;
1544 	int ret, i, j;
1545 
1546 	for (i = 0; i < sleep_retries; i++) {
1547 		dev_dbg(dev, "Exit hibernate\n");
1548 
1549 		for (j = 0; j < wake_retries; j++) {
1550 			ret = cs35l41_set_cspl_mbox_cmd(dev, regmap,
1551 							CSPL_MBOX_CMD_OUT_OF_HIBERNATE);
1552 			if (!ret)
1553 				break;
1554 
1555 			usleep_range(100, 200);
1556 		}
1557 
1558 		if (j < wake_retries) {
1559 			dev_dbg(dev, "Wake success at cycle: %d\n", j);
1560 			return 0;
1561 		}
1562 
1563 		dev_err(dev, "Wake failed, re-enter hibernate: %d\n", ret);
1564 
1565 		cs35l41_wait_for_pwrmgt_sts(dev, regmap);
1566 		regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0088);
1567 
1568 		cs35l41_wait_for_pwrmgt_sts(dev, regmap);
1569 		regmap_write(regmap, CS35L41_WAKESRC_CTL, 0x0188);
1570 
1571 		cs35l41_wait_for_pwrmgt_sts(dev, regmap);
1572 		regmap_write(regmap, CS35L41_PWRMGT_CTL, 0x3);
1573 	}
1574 
1575 	dev_err(dev, "Timed out waking device\n");
1576 
1577 	return -ETIMEDOUT;
1578 }
1579 EXPORT_SYMBOL_GPL(cs35l41_exit_hibernate);
1580 
1581 MODULE_DESCRIPTION("CS35L41 library");
1582 MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
1583 MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>");
1584 MODULE_LICENSE("GPL");
1585