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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * nau8325.h -- Nuvoton NAU8325 audio codec driver
4 *
5 * Copyright 2023 Nuvoton Technology Crop.
6 * Author: Seven Lee <WTLI@nuvoton.com>
7 * David Lin <CTLIN0@nuvoton.com>
8 */
9
10#ifndef __NAU8325_H__
11#define __NAU8325_H__
12
13#define NAU8325_R00_HARDWARE_RST 0x00
14#define NAU8325_R01_SOFTWARE_RST 0x01
15#define NAU8325_R02_DEVICE_ID 0x02
16#define NAU8325_R03_CLK_CTRL 0x03
17#define NAU8325_R04_ENA_CTRL 0x04
18#define NAU8325_R05_INTERRUPT_CTRL 0x05
19#define NAU8325_R06_INT_CLR_STATUS 0x06
20#define NAU8325_R09_IRQOUT 0x09
21#define NAU8325_R0A_IO_CTRL 0x0a
22#define NAU8325_R0B_PDM_CTRL 0x0b
23#define NAU8325_R0C_TDM_CTRL 0x0c
24#define NAU8325_R0D_I2S_PCM_CTRL1 0x0d
25#define NAU8325_R0E_I2S_PCM_CTRL2 0x0e
26#define NAU8325_R0F_L_TIME_SLOT 0x0f
27#define NAU8325_R10_R_TIME_SLOT 0x10
28#define NAU8325_R11_HPF_CTRL 0x11
29#define NAU8325_R12_MUTE_CTRL 0x12
30#define NAU8325_R13_DAC_VOLUME 0x13
31#define NAU8325_R1D_DEBUG_READ1 0x1d
32#define NAU8325_R1F_DEBUG_READ2 0x1f
33#define NAU8325_R22_DEBUG_READ3 0x22
34#define NAU8325_R29_DAC_CTRL1 0x29
35#define NAU8325_R2A_DAC_CTRL2 0x2a
36#define NAU8325_R2C_ALC_CTRL1 0x2c
37#define NAU8325_R2D_ALC_CTRL2 0x2d
38#define NAU8325_R2E_ALC_CTRL3 0x2e
39#define NAU8325_R2F_ALC_CTRL4 0x2f
40#define NAU8325_R40_CLK_DET_CTRL 0x40
41#define NAU8325_R49_TEST_STATUS 0x49
42#define NAU8325_R4A_ANALOG_READ 0x4a
43#define NAU8325_R50_MIXER_CTRL 0x50
44#define NAU8325_R55_MISC_CTRL 0x55
45#define NAU8325_R60_BIAS_ADJ 0x60
46#define NAU8325_R61_ANALOG_CONTROL_1 0x61
47#define NAU8325_R62_ANALOG_CONTROL_2 0x62
48#define NAU8325_R63_ANALOG_CONTROL_3 0x63
49#define NAU8325_R64_ANALOG_CONTROL_4 0x64
50#define NAU8325_R65_ANALOG_CONTROL_5 0x65
51#define NAU8325_R66_ANALOG_CONTROL_6 0x66
52#define NAU8325_R69_CLIP_CTRL 0x69
53#define NAU8325_R73_RDAC 0x73
54#define NAU8325_REG_MAX NAU8325_R73_RDAC
55
56/* 16-bit control register address, and 16-bits control register data */
57#define NAU8325_REG_ADDR_LEN 16
58#define NAU8325_REG_DATA_LEN 16
59
60/* CLK_CTRL (0x03) */
61#define NAU8325_CLK_DAC_SRC_SFT 12
62#define NAU8325_CLK_DAC_SRC_MASK (0x3 << NAU8325_CLK_DAC_SRC_SFT)
63#define NAU8325_CLK_MUL_SRC_SFT 6
64#define NAU8325_CLK_MUL_SRC_MASK (0x3 << NAU8325_CLK_MUL_SRC_SFT)
65#define NAU8325_MCLK_SEL_SFT 3
66#define NAU8325_MCLK_SEL_MASK (0x7 << NAU8325_MCLK_SEL_SFT)
67#define NAU8325_MCLK_SRC_MASK 0x7
68
69/* ENA_CTRL (0x04) */
70#define NAU8325_DAC_LEFT_CH_EN_SFT 3
71#define NAU8325_DAC_LEFT_CH_EN (0x1 << NAU8325_DAC_LEFT_CH_EN_SFT)
72#define NAU8325_DAC_RIGHT_CH_EN_SFT 2
73#define NAU8325_DAC_RIGHT_CH_EN (0x1 << NAU8325_DAC_RIGHT_CH_EN_SFT)
74
75/* INTERRUPT_CTRL (0x05) */
76#define NAU8325_ARP_DWN_INT_SFT 12
77#define NAU8325_ARP_DWN_INT_MASK (0x1 << NAU8325_ARP_DWN_INT_SFT)
78#define NAU8325_CLIP_INT_SFT 11
79#define NAU8325_CLIP_INT_MASK (0x1 << NAU8325_CLIP_INT_SFT)
80#define NAU8325_LVD_INT_SFT 10
81#define NAU8325_LVD_INT_MASK (0x1 << NAU8325_LVD_INT_SFT)
82#define NAU8325_PWR_INT_DIS_SFT 8
83#define NAU8325_PWR_INT_DIS (0x1 << NAU8325_PWR_INT_DIS_SFT)
84#define NAU8325_OCP_OTP_SHTDWN_INT_SFT 4
85#define NAU8325_OCP_OTP_SHTDWN_INT_MASK (0x1 << NAU8325_OCP_OTP_SHTDWN_INT_SFT)
86#define NAU8325_CLIP_INT_DIS_SFT 3
87#define NAU8325_CLIP_INT_DIS (0x1 << NAU8325_CLIP_INT_DIS_SFT)
88#define NAU8325_LVD_INT_DIS_SFT 2
89#define NAU8325_LVD_INT_DIS (0x1 << NAU8325_LVD_INT_DIS_SFT)
90#define NAU8325_PWR_INT_MASK 0x1
91
92/* INT_CLR_STATUS (0x06) */
93#define NAU8325_INT_STATUS_MASK 0x7f
94
95/* IRQOUT (0x9) */
96#define NAU8325_IRQOUT_SEL_SEF 12
97#define NAU8325_IRQOUT_SEL_MASK (0xf << NAU8325_IRQOUT_SEL_SEF)
98#define NAU8325_DEM_DITH_SFT 7
99#define NAU8325_DEM_DITH_EN (0x1 << NAU8325_DEM_DITH_SFT)
100#define NAU8325_GAINZI3_SFT 5
101#define NAU8325_GAINZI3_MASK (0x1 << NAU8325_GAINZI3_SFT)
102#define NAU8325_GAINZI2_MASK 0x1f
103
104/* IO_CTRL (0x0a) */
105#define NAU8325_IRQ_PL_SFT 15
106#define NAU8325_IRQ_PL_ACT_HIGH (0x1 << NAU8325_IRQ_PL_SFT)
107#define NAU8325_IRQ_PS_SFT 14
108#define NAU8325_IRQ_PS_UP (0x1 << NAU8325_IRQ_PS_SFT)
109#define NAU8325_IRQ_PE_SFT 13
110#define NAU8325_IRQ_PE_EN (0x1 << NAU8325_IRQ_PE_SFT)
111#define NAU8325_IRQ_DS_SFT 12
112#define NAU8325_IRQ_DS_HIGH (0x1 << NAU8325_IRQ_DS_SFT)
113#define NAU8325_IRQ_OUTPUT_SFT 11
114#define NAU8325_IRQ_OUTPUT_EN (0x1 << NAU8325_IRQ_OUTPUT_SFT)
115#define NAU8325_IRQ_PIN_DEBUG_SFT 10
116#define NAU8325_IRQ_PIN_DEBUG_EN (0x1 << NAU8325_IRQ_PIN_DEBUG_SFT)
117
118/* PDM_CTRL (0x0b) */
119#define NAU8325_PDM_LCH_EDGE_SFT 1
120#define NAU8325_PDM_LCH_EDGE__MASK (0x1 << NAU8325_PDM_LCH_EDGE_SFT)
121#define NAU8325_PDM_MODE_EN 0x1
122
123/* TDM_CTRL (0x0c) */
124#define NAU8325_TDM_SFT 15
125#define NAU8325_TDM_EN (0x1 << NAU8325_TDM_SFT)
126#define NAU8325_PCM_OFFSET_CTRL_SFT 14
127#define NAU8325_PCM_OFFSET_CTRL_EN (0x1 << NAU8325_PCM_OFFSET_CTRL_SFT)
128#define NAU8325_DAC_LEFT_SFT 6
129#define NAU8325_NAU8325_DAC_LEFT_MASK (0x7 << NAU8325_DAC_LEFT_SFT)
130#define NAU8325_DAC_RIGHT_SFT 3
131#define NAU8325_DAC_RIGHT_MASK (0x7 << NAU8325_DAC_RIGHT_SFT)
132
133/* I2S_PCM_CTRL1 (0x0d) */
134#define NAU8325_DACCM_CTL_SFT 14
135#define NAU8325_DACCM_CTL_MASK (0x3 << NAU8325_DACCM_CTL_SFT)
136#define NAU8325_CMB8_0_SFT 10
137#define NAU8325_CMB8_0_MASK (0x1 << NAU8325_CMB8_0_SFT)
138#define NAU8325_UA_OFFSET_SFT 9
139#define NAU8325_UA_OFFSET_MASK (0x1 << NAU8325_UA_OFFSET_SFT)
140#define NAU8325_I2S_BP_SFT 7
141#define NAU8325_I2S_BP_MASK (0x1 << NAU8325_I2S_BP_SFT)
142#define NAU8325_I2S_BP_INV (0x1 << NAU8325_I2S_BP_SFT)
143#define NAU8325_I2S_PCMB_SFT 6
144#define NAU8325_I2S_PCMB_EN (0x1 << NAU8325_I2S_PCMB_SFT)
145#define NAU8325_I2S_DACPSHS0_SFT 5
146#define NAU8325_I2S_DACPSHS0_MASK (0x1 << NAU8325_I2S_DACPSHS0_SFT)
147#define NAU8325_I2S_DL_SFT 2
148#define NAU8325_I2S_DL_MASK (0x3 << NAU8325_I2S_DL_SFT)
149#define NAU8325_I2S_DL_32 (0x3 << NAU8325_I2S_DL_SFT)
150#define NAU8325_I2S_DL_24 (0x2 << NAU8325_I2S_DL_SFT)
151#define NAU8325_I2S_DL_20 (0x1 << NAU8325_I2S_DL_SFT)
152#define NAU8325_I2S_DL_16 (0x0 << NAU8325_I2S_DL_SFT)
153#define NAU8325_I2S_DF_MASK 0x3
154#define NAU8325_I2S_DF_RIGTH 0x0
155#define NAU8325_I2S_DF_LEFT 0x1
156#define NAU8325_I2S_DF_I2S 0x2
157#define NAU8325_I2S_DF_PCM_AB 0x3
158
159/* I2S_PCM_CTRL2 (0x0e) */
160#define NAU8325_PCM_TS_SFT 10
161#define NAU8325_PCM_TS_EN (0x1 << NAU8325_PCM_TS_SFT)
162#define NAU8325_PCM8BIT0_SFT 8
163#define NAU8325_PCM8BIT0_MASK (0x1 << NAU8325_PCM8BIT0_SFT)
164
165/* L_TIME_SLOT (0x0f)*/
166#define NAU8325_SHORT_FS_DET_SFT 13
167#define NAU8325_SHORT_FS_DET_DIS (0x1 << NAU8325_SHORT_FS_DET_SFT)
168#define NAU8325_TSLOT_L0_MASK 0x3ff
169
170/* R_TIME_SLOT (0x10)*/
171#define NAU8325_TSLOT_R0_MASK 0x3ff
172
173/* HPF_CTRL (0x11)*/
174#define NAU8325_DAC_HPF_SFT 15
175#define NAU8325_DAC_HPF_EN (0x1 << NAU8325_DAC_HPF_SFT)
176#define NAU8325_DAC_HPF_APP_SFT 14
177#define NAU8325_DAC_HPF_APP_MASK (0x1 << NAU8325_DAC_HPF_APP_SFT)
178#define NAU8325_DAC_HPF_FCUT_SFT 11
179#define NAU8325_DAC_HPF_FCUT_MASK (0x7 << NAU8325_DAC_HPF_FCUT_SFT)
180
181/* MUTE_CTRL (0x12)*/
182#define NAU8325_SOFT_MUTE_SFT 15
183#define NAU8325_SOFT_MUTE (0x1 << NAU8325_SOFT_MUTE_SFT)
184#define NAU8325_DAC_ZC_SFT 8
185#define NAU8325_DAC_ZC_EN (0x1 << NAU8325_DAC_ZC_SFT)
186#define NAU8325_UNMUTE_CTL_SFT 6
187#define NAU8325_UNMUTE_CTL_MASK (0x3 << NAU8325_UNMUTE_CTL_SFT)
188#define NAU8325_ANA_MUTE_SFT 4
189#define NAU8325_ANA_MUTE_MASK (0x3 << NAU8325_ANA_MUTE_SFT)
190#define NAU8325_AUTO_MUTE_SFT 3
191#define NAU8325_AUTO_MUTE_DIS (0x1 << NAU8325_AUTO_MUTE_SFT)
192
193/* DAC_VOLUME (0x13) */
194#define NAU8325_DAC_VOLUME_L_SFT 8
195#define NAU8325_DAC_VOLUME_L_EN (0xff << NAU8325_DAC_VOLUME_L_SFT)
196#define NAU8325_DAC_VOLUME_R_SFT 0
197#define NAU8325_DAC_VOLUME_R_EN (0xff << NAU8325_DAC_VOLUME_R_SFT)
198#define NAU8325_DAC_VOL_MAX 0xff
199
200/* DEBUG_READ1 (0x1d)*/
201#define NAU8325_OSR100_MASK (0x1 << 6)
202#define NAU8325_MIPS500_MASK (0x1 << 5)
203#define NAU8325_SHUTDWNDRVR_R_MASK (0x1 << 4)
204#define NAU8325_SHUTDWNDRVR_L_MASK (0x1 << 3)
205#define NAU8325_MUTEB_MASK (0x1 << 2)
206#define NAU8325_PDOSCB_MASK (0x1 << 1)
207#define NAU8325_POWERDOWN1B_D_MASK 0x1
208
209/* DEBUG_READ2 (0x1f)*/
210#define NAU8325_R_CHANNEL_Vol_SFT 8
211#define NAU8325_R_CHANNEL_Vol_MASK (0xff << NAU8325_R_CHANNEL_Vol_SFT)
212#define NAU8325_L_CHANNEL_Vol_MASK 0xff
213
214/* DEBUG_READ3(0x22)*/
215#define NAU8325_PGAL_GAIN_MASK (0x3f << 7)
216#define NAU8325_CLIP_MASK (0x1 << 6)
217#define NAU8325_SCAN_MODE_MASK (0x1 << 5)
218#define NAU8325_SDB_MASK (0x1 << 4)
219#define NAU8325_TALARM_MASK (0x1 << 3)
220#define NAU8325_SHORTR_MASK (0x1 << 2)
221#define NAU8325_SHORTL_MASK (0x1 << 1)
222#define NAU8325_TMDET_MASK 0x1
223
224/* DAC_CTRL1 (0x29) */
225#define NAU8325_DAC_OVERSAMPLE_SFT 0
226#define NAU8325_DAC_OVERSAMPLE_MASK 0x7
227#define NAU8325_DAC_OVERSAMPLE_256 1
228#define NAU8325_DAC_OVERSAMPLE_128 2
229#define NAU8325_DAC_OVERSAMPLE_64 0
230#define NAU8325_DAC_OVERSAMPLE_32 4
231
232/* ALC_CTRL1 (0x2c) */
233#define NAU8325_ALC_MAXGAIN_SFT 5
234#define NAU8325_ALC_MAXGAIN_MAX 0x7
235#define NAU8325_ALC_MAXGAIN_MASK (0x7 << NAU8325_ALC_MAXGAIN_SFT)
236#define NAU8325_ALC_MINGAIN_MAX 4
237#define NAU8325_ALC_MINGAIN_SFT 1
238#define NAU8325_ALC_MINGAIN_MASK (0x7 << NAU8325_ALC_MINGAIN_SFT)
239
240/* ALC_CTRL2 (0x2d) */
241#define NAU8325_ALC_DCY_SFT 12
242#define NAU8325_ALC_DCY_MAX 0xb
243#define NAU8325_ALC_DCY_MASK (0xf << NAU8325_ALC_DCY_SFT)
244#define NAU8325_ALC_ATK_SFT 8
245#define NAU8325_ALC_ATK_MAX 0xb
246#define NAU8325_ALC_ATK_MASK (0xf << NAU8325_ALC_ATK_SFT)
247#define NAU8325_ALC_HLD_SFT 4
248#define NAU8325_ALC_HLD_MAX 0xa
249#define NAU8325_ALC_HLD_MASK (0xf << NAU8325_ALC_HLD_SFT)
250#define NAU8325_ALC_LVL_SFT 0
251#define NAU8325_ALC_LVL_MAX 0xf
252#define NAU8325_ALC_LVL_MASK 0xf
253
254/* ALC_CTRL3 (0x2e) */
255#define NAU8325_ALC_EN_SFT 15
256#define NAU8325_ALC_EN (0x1 << NAU8325_ALC_EN_SFT)
257
258/* TEMP_COMP_CTRL (0x30) */
259#define NAU8325_TEMP_COMP_ACT2_MASK 0xff
260
261/* LPF_CTRL (0x33) */
262#define NAU8325_LPF_IN1_EN_SFT 15
263#define NAU8325_LPF_IN1_EN (0x1 << NAU8325_LPF_IN1_EN_SFT)
264#define NAU8325_LPF_IN1_TC_SFT 11
265#define NAU8325_LPF_IN1_TC_MASK (0xf << NAU8325_LPF_IN1_TC_SFT)
266#define NAU8325_LPF_IN2_EN_SFT 10
267#define NAU8325_LPF_IN2_EN (0x1 << NAU8325_LPF_IN2_EN_SFT)
268#define NAU8325_LPF_IN2_TC_SFT 6
269#define NAU8325_LPF_IN2_TC_MASK (0xf << NAU8325_LPF_IN2_TC_SFT)
270
271/* CLK_DET_CTRL (0x40) */
272#define NAU8325_APWRUP_SFT 15
273#define NAU8325_APWRUP_EN (0x1 << NAU8325_APWRUP_SFT)
274#define NAU8325_CLKPWRUP_SFT 14
275#define NAU8325_CLKPWRUP_DIS (0x1 << NAU8325_CLKPWRUP_SFT)
276#define NAU8325_PWRUP_DFT_SFT 13
277#define NAU8325_PWRUP_DFT (0x1 << NAU8325_PWRUP_DFT_SFT)
278#define NAU8325_REG_SRATE_SFT 10
279#define NAU8325_REG_SRATE_MASK (0x7 << NAU8325_REG_SRATE_SFT)
280#define NAU8325_REG_ALT_SRATE_SFT 9
281#define NAU8325_REG_ALT_SRATE_EN (0x1 << NAU8325_REG_ALT_SRATE_SFT)
282#define NAU8325_REG_DIV_MAX 0x1
283
284/* BIAS_ADJ (0x60) */
285#define NAU8325_BIAS_VMID_SEL_SFT 4
286#define NAU8325_BIAS_VMID_SEL_MASK (0x3 << NAU8325_BIAS_VMID_SEL_SFT)
287
288/* ANALOG_CONTROL_1 (0x61) */
289#define NAU8325_VMDFSTENB_SFT 14
290#define NAU8325_VMDFSTENB_MASK (0x3 << NAU8325_VMDFSTENB_SFT)
291#define NAU8325_CLASSDEN_SFT 12
292#define NAU8325_CLASSDEN_MASK (0x3 << NAU8325_CLASSDEN_SFT)
293#define NAU8325_DACCLKEN_R_SFT 10
294#define NAU8325_DACCLKEN_R_MASK (0x3 << NAU8325_DACCLKEN_R_SFT)
295#define NAU8325_DACEN_R_SFT 8
296#define NAU8325_DACEN_R_MASK (0x3 << NAU8325_DACEN_R_SFT)
297#define NAU8325_DACCLKEN_SFT 6
298#define NAU8325_DACCLKEN_MASK (0x3 << NAU8325_DACCLKEN_SFT)
299#define NAU8325_DACEN_SFT 4
300#define NAU8325_DACEN_MASK (0x3 << NAU8325_DACEN_SFT)
301#define NAU8325_BIASEN_SFT 2
302#define NAU8325_BIASEN_MASK (0x3 << NAU8325_BIASEN_SFT)
303#define NAU8325_VMIDEN_MASK 0x3
304
305/* ANALOG_CONTROL_2 (0x62) */
306#define NAU8325_PWMMOD_SFT 14
307#define NAU8325_PWMMOD_MASK (0x1 << NAU8325_PWMMOD_SFT)
308#define NAU8325_DACTEST_SFT 6
309#define NAU8325_DACTEST_MASK (0x3 << NAU8325_DACTEST_SFT)
310#define NAU8325_DACREFCAP_SFT 4
311#define NAU8325_DACREFCAP_MASK (0x3 << NAU8325_DACREFCAP_SFT)
312
313/* ANALOG_CONTROL_3 (0x63) */
314#define NAU8325_POWER_DOWN_L_SFT 12
315#define NAU8325_POWER_DOWN_L_MASK (0x3 << NAU8325_POWER_DOWN_L_SFT)
316#define NAU8325_POWER_DOWN_R_SFT 11
317#define NAU8325_POWER_DOWN_R_MASK (0x3 << NAU8325_DACREFCAP_SFT)
318#define NAU8325_CLASSD_FINE_SFT 5
319#define NAU8325_CLASSD_FINE_MASK (0x3 << NAU8325_CLASSD_FINE_SFT)
320#define NAU8325_CLASSD_COARSE_GAIN_MASK 0xf
321
322/* ANALOG_CONTROL_4 (0x64) */
323#define NAU8325_CLASSD_OCPN_SFT 12
324#define NAU8325_CLASSD_OCPN_MASK (0xf << NAU8325_CLASSD_OCPN_SFT)
325#define NAU8325_CLASSD_OCPP_SFT 8
326#define NAU8325_CLASSD_OCPP_MASK (0xf << NAU8325_CLASSD_OCPP_SFT)
327#define NAU8325_CLASSD_SLEWN_MASK 0xff
328
329/* ANALOG_CONTROL_5 (0x65) */
330#define NAU8325_MCLK_RANGE_SFT 2
331#define NAU8325_MCLK_RANGE_EN (0x1 << NAU8325_MCLK_RANGE_SFT)
332#define NAU8325_MCLK8XEN_SFT 1
333#define NAU8325_MCLK8XEN_EN (0x1 << NAU8325_MCLK8XEN_SFT)
334#define NAU8325_MCLK4XEN_EN 0x1
335
336/* ANALOG_CONTROL_6 (0x66) */
337#define NAU8325_VBATLOW_SFT 4
338#define NAU8325_VBATLOW_MASK (0x1 << NAU8325_VBATLOW_SFT)
339#define NAU8325_VDDSPK_LIM_SFT 3
340#define NAU8325_VDDSPK_LIM_EN (0x1 << NAU8325_VDDSPK_LIM_SFT)
341#define NAU8325_VDDSPK_LIM_MASK 0x7
342
343/* CLIP_CTRL (0x69)*/
344#define NAU8325_ANTI_CLIP_SFT 4
345#define NAU8325_ANTI_CLIP_EN (0x1 << NAU8325_ANTI_CLIP_SFT)
346
347/* RDAC (0x73) */
348#define NAU8325_CLK_DAC_DELAY_SFT 4
349#define NAU8325_CLK_DAC_DELAY_EN (0x7 << NAU8325_CLK_DAC_DELAY_SFT)
350#define NAU8325_DACVREFSEL_SFT 2
351#define NAU8325_DACVREFSEL_MASK (0x3 << NAU8325_DACVREFSEL_SFT)
352
353#define NAU8325_CODEC_DAI "nau8325-hifi"
354
355struct nau8325 {
356 struct device *dev;
357 struct regmap *regmap;
358 int mclk;
359 int fs;
360 int vref_impedance_ohms;
361 int dac_vref_microvolt;
362 int clock_detection;
363 int clock_det_data;
364 int alc_enable;
365};
366
367struct nau8325_src_attr {
368 int param;
369 unsigned int val;
370};
371
372enum {
373 NAU8325_MCLK_FS_RATIO_256,
374 NAU8325_MCLK_FS_RATIO_400,
375 NAU8325_MCLK_FS_RATIO_500,
376 NAU8325_MCLK_FS_RATIO_NUM,
377};
378
379struct nau8325_srate_attr {
380 int fs;
381 int range;
382 bool max;
383 unsigned int mclk_src[NAU8325_MCLK_FS_RATIO_NUM];
384};
385
386struct nau8325_osr_attr {
387 unsigned int osr;
388 unsigned int clk_src;
389};
390
391#endif /* __NAU8325_H__ */