xref: /openbmc/linux/sound/soc/codecs/wm8904.c (revision 5a7c5f26df3c0122814dfa1c13ef6dfbdbffdb86)
1a91eb199SMark Brown /*
2a91eb199SMark Brown  * wm8904.c  --  WM8904 ALSA SoC Audio driver
3a91eb199SMark Brown  *
4a91eb199SMark Brown  * Copyright 2009 Wolfson Microelectronics plc
5a91eb199SMark Brown  *
6a91eb199SMark Brown  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7a91eb199SMark Brown  *
8a91eb199SMark Brown  *
9a91eb199SMark Brown  * This program is free software; you can redistribute it and/or modify
10a91eb199SMark Brown  * it under the terms of the GNU General Public License version 2 as
11a91eb199SMark Brown  * published by the Free Software Foundation.
12a91eb199SMark Brown  */
13a91eb199SMark Brown 
14a91eb199SMark Brown #include <linux/module.h>
15a91eb199SMark Brown #include <linux/moduleparam.h>
16a91eb199SMark Brown #include <linux/init.h>
17a91eb199SMark Brown #include <linux/delay.h>
18a91eb199SMark Brown #include <linux/pm.h>
19a91eb199SMark Brown #include <linux/i2c.h>
20a91eb199SMark Brown #include <linux/platform_device.h>
21a91eb199SMark Brown #include <linux/regulator/consumer.h>
225a0e3ad6STejun Heo #include <linux/slab.h>
23a91eb199SMark Brown #include <sound/core.h>
24a91eb199SMark Brown #include <sound/pcm.h>
25a91eb199SMark Brown #include <sound/pcm_params.h>
26a91eb199SMark Brown #include <sound/soc.h>
27a91eb199SMark Brown #include <sound/initval.h>
28a91eb199SMark Brown #include <sound/tlv.h>
29a91eb199SMark Brown #include <sound/wm8904.h>
30a91eb199SMark Brown 
31a91eb199SMark Brown #include "wm8904.h"
32a91eb199SMark Brown 
338c126474SMark Brown enum wm8904_type {
348c126474SMark Brown 	WM8904,
358c126474SMark Brown 	WM8912,
368c126474SMark Brown };
378c126474SMark Brown 
38a91eb199SMark Brown #define WM8904_NUM_DCS_CHANNELS 4
39a91eb199SMark Brown 
40a91eb199SMark Brown #define WM8904_NUM_SUPPLIES 5
41a91eb199SMark Brown static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = {
42a91eb199SMark Brown 	"DCVDD",
43a91eb199SMark Brown 	"DBVDD",
44a91eb199SMark Brown 	"AVDD",
45a91eb199SMark Brown 	"CPVDD",
46a91eb199SMark Brown 	"MICVDD",
47a91eb199SMark Brown };
48a91eb199SMark Brown 
49a91eb199SMark Brown /* codec private data */
50a91eb199SMark Brown struct wm8904_priv {
51f0fba2adSLiam Girdwood 
528c126474SMark Brown 	enum wm8904_type devtype;
538c126474SMark Brown 
54a91eb199SMark Brown 	struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES];
55a91eb199SMark Brown 
56a91eb199SMark Brown 	struct wm8904_pdata *pdata;
57a91eb199SMark Brown 
58a91eb199SMark Brown 	int deemph;
59a91eb199SMark Brown 
60a91eb199SMark Brown 	/* Platform provided DRC configuration */
61a91eb199SMark Brown 	const char **drc_texts;
62a91eb199SMark Brown 	int drc_cfg;
63a91eb199SMark Brown 	struct soc_enum drc_enum;
64a91eb199SMark Brown 
65a91eb199SMark Brown 	/* Platform provided ReTune mobile configuration */
66a91eb199SMark Brown 	int num_retune_mobile_texts;
67a91eb199SMark Brown 	const char **retune_mobile_texts;
68a91eb199SMark Brown 	int retune_mobile_cfg;
69a91eb199SMark Brown 	struct soc_enum retune_mobile_enum;
70a91eb199SMark Brown 
71a91eb199SMark Brown 	/* FLL setup */
72a91eb199SMark Brown 	int fll_src;
73a91eb199SMark Brown 	int fll_fref;
74a91eb199SMark Brown 	int fll_fout;
75a91eb199SMark Brown 
76a91eb199SMark Brown 	/* Clocking configuration */
77a91eb199SMark Brown 	unsigned int mclk_rate;
78a91eb199SMark Brown 	int sysclk_src;
79a91eb199SMark Brown 	unsigned int sysclk_rate;
80a91eb199SMark Brown 
81a91eb199SMark Brown 	int tdm_width;
82a91eb199SMark Brown 	int tdm_slots;
83a91eb199SMark Brown 	int bclk;
84a91eb199SMark Brown 	int fs;
85a91eb199SMark Brown 
86a91eb199SMark Brown 	/* DC servo configuration - cached offset values */
87a91eb199SMark Brown 	int dcs_state[WM8904_NUM_DCS_CHANNELS];
88a91eb199SMark Brown };
89a91eb199SMark Brown 
90a91eb199SMark Brown static const u16 wm8904_reg[WM8904_MAX_REGISTER + 1] = {
91a91eb199SMark Brown 	0x8904,     /* R0   - SW Reset and ID */
92a91eb199SMark Brown 	0x0000,     /* R1   - Revision */
93a91eb199SMark Brown 	0x0000,     /* R2 */
94a91eb199SMark Brown 	0x0000,     /* R3 */
95a91eb199SMark Brown 	0x0018,     /* R4   - Bias Control 0 */
96a91eb199SMark Brown 	0x0000,     /* R5   - VMID Control 0 */
97a91eb199SMark Brown 	0x0000,     /* R6   - Mic Bias Control 0 */
98a91eb199SMark Brown 	0x0000,     /* R7   - Mic Bias Control 1 */
99a91eb199SMark Brown 	0x0001,     /* R8   - Analogue DAC 0 */
100a91eb199SMark Brown 	0x9696,     /* R9   - mic Filter Control */
101a91eb199SMark Brown 	0x0001,     /* R10  - Analogue ADC 0 */
102a91eb199SMark Brown 	0x0000,     /* R11 */
103a91eb199SMark Brown 	0x0000,     /* R12  - Power Management 0 */
104a91eb199SMark Brown 	0x0000,     /* R13 */
105a91eb199SMark Brown 	0x0000,     /* R14  - Power Management 2 */
106a91eb199SMark Brown 	0x0000,     /* R15  - Power Management 3 */
107a91eb199SMark Brown 	0x0000,     /* R16 */
108a91eb199SMark Brown 	0x0000,     /* R17 */
109a91eb199SMark Brown 	0x0000,     /* R18  - Power Management 6 */
110a91eb199SMark Brown 	0x0000,     /* R19 */
111a91eb199SMark Brown 	0x945E,     /* R20  - Clock Rates 0 */
112a91eb199SMark Brown 	0x0C05,     /* R21  - Clock Rates 1 */
113a91eb199SMark Brown 	0x0006,     /* R22  - Clock Rates 2 */
114a91eb199SMark Brown 	0x0000,     /* R23 */
115a91eb199SMark Brown 	0x0050,     /* R24  - Audio Interface 0 */
116a91eb199SMark Brown 	0x000A,     /* R25  - Audio Interface 1 */
117a91eb199SMark Brown 	0x00E4,     /* R26  - Audio Interface 2 */
118a91eb199SMark Brown 	0x0040,     /* R27  - Audio Interface 3 */
119a91eb199SMark Brown 	0x0000,     /* R28 */
120a91eb199SMark Brown 	0x0000,     /* R29 */
121a91eb199SMark Brown 	0x00C0,     /* R30  - DAC Digital Volume Left */
122a91eb199SMark Brown 	0x00C0,     /* R31  - DAC Digital Volume Right */
123a91eb199SMark Brown 	0x0000,     /* R32  - DAC Digital 0 */
124a91eb199SMark Brown 	0x0008,     /* R33  - DAC Digital 1 */
125a91eb199SMark Brown 	0x0000,     /* R34 */
126a91eb199SMark Brown 	0x0000,     /* R35 */
127a91eb199SMark Brown 	0x00C0,     /* R36  - ADC Digital Volume Left */
128a91eb199SMark Brown 	0x00C0,     /* R37  - ADC Digital Volume Right */
129a91eb199SMark Brown 	0x0010,     /* R38  - ADC Digital 0 */
130a91eb199SMark Brown 	0x0000,     /* R39  - Digital Microphone 0 */
131a91eb199SMark Brown 	0x01AF,     /* R40  - DRC 0 */
132a91eb199SMark Brown 	0x3248,     /* R41  - DRC 1 */
133a91eb199SMark Brown 	0x0000,     /* R42  - DRC 2 */
134a91eb199SMark Brown 	0x0000,     /* R43  - DRC 3 */
135a91eb199SMark Brown 	0x0085,     /* R44  - Analogue Left Input 0 */
136a91eb199SMark Brown 	0x0085,     /* R45  - Analogue Right Input 0 */
137a91eb199SMark Brown 	0x0044,     /* R46  - Analogue Left Input 1 */
138a91eb199SMark Brown 	0x0044,     /* R47  - Analogue Right Input 1 */
139a91eb199SMark Brown 	0x0000,     /* R48 */
140a91eb199SMark Brown 	0x0000,     /* R49 */
141a91eb199SMark Brown 	0x0000,     /* R50 */
142a91eb199SMark Brown 	0x0000,     /* R51 */
143a91eb199SMark Brown 	0x0000,     /* R52 */
144a91eb199SMark Brown 	0x0000,     /* R53 */
145a91eb199SMark Brown 	0x0000,     /* R54 */
146a91eb199SMark Brown 	0x0000,     /* R55 */
147a91eb199SMark Brown 	0x0000,     /* R56 */
148a91eb199SMark Brown 	0x002D,     /* R57  - Analogue OUT1 Left */
149a91eb199SMark Brown 	0x002D,     /* R58  - Analogue OUT1 Right */
150a91eb199SMark Brown 	0x0039,     /* R59  - Analogue OUT2 Left */
151a91eb199SMark Brown 	0x0039,     /* R60  - Analogue OUT2 Right */
152a91eb199SMark Brown 	0x0000,     /* R61  - Analogue OUT12 ZC */
153a91eb199SMark Brown 	0x0000,     /* R62 */
154a91eb199SMark Brown 	0x0000,     /* R63 */
155a91eb199SMark Brown 	0x0000,     /* R64 */
156a91eb199SMark Brown 	0x0000,     /* R65 */
157a91eb199SMark Brown 	0x0000,     /* R66 */
158a91eb199SMark Brown 	0x0000,     /* R67  - DC Servo 0 */
159a91eb199SMark Brown 	0x0000,     /* R68  - DC Servo 1 */
160a91eb199SMark Brown 	0xAAAA,     /* R69  - DC Servo 2 */
161a91eb199SMark Brown 	0x0000,     /* R70 */
162a91eb199SMark Brown 	0xAAAA,     /* R71  - DC Servo 4 */
163a91eb199SMark Brown 	0xAAAA,     /* R72  - DC Servo 5 */
164a91eb199SMark Brown 	0x0000,     /* R73  - DC Servo 6 */
165a91eb199SMark Brown 	0x0000,     /* R74  - DC Servo 7 */
166a91eb199SMark Brown 	0x0000,     /* R75  - DC Servo 8 */
167a91eb199SMark Brown 	0x0000,     /* R76  - DC Servo 9 */
168a91eb199SMark Brown 	0x0000,     /* R77  - DC Servo Readback 0 */
169a91eb199SMark Brown 	0x0000,     /* R78 */
170a91eb199SMark Brown 	0x0000,     /* R79 */
171a91eb199SMark Brown 	0x0000,     /* R80 */
172a91eb199SMark Brown 	0x0000,     /* R81 */
173a91eb199SMark Brown 	0x0000,     /* R82 */
174a91eb199SMark Brown 	0x0000,     /* R83 */
175a91eb199SMark Brown 	0x0000,     /* R84 */
176a91eb199SMark Brown 	0x0000,     /* R85 */
177a91eb199SMark Brown 	0x0000,     /* R86 */
178a91eb199SMark Brown 	0x0000,     /* R87 */
179a91eb199SMark Brown 	0x0000,     /* R88 */
180a91eb199SMark Brown 	0x0000,     /* R89 */
181a91eb199SMark Brown 	0x0000,     /* R90  - Analogue HP 0 */
182a91eb199SMark Brown 	0x0000,     /* R91 */
183a91eb199SMark Brown 	0x0000,     /* R92 */
184a91eb199SMark Brown 	0x0000,     /* R93 */
185a91eb199SMark Brown 	0x0000,     /* R94  - Analogue Lineout 0 */
186a91eb199SMark Brown 	0x0000,     /* R95 */
187a91eb199SMark Brown 	0x0000,     /* R96 */
188a91eb199SMark Brown 	0x0000,     /* R97 */
189a91eb199SMark Brown 	0x0000,     /* R98  - Charge Pump 0 */
190a91eb199SMark Brown 	0x0000,     /* R99 */
191a91eb199SMark Brown 	0x0000,     /* R100 */
192a91eb199SMark Brown 	0x0000,     /* R101 */
193a91eb199SMark Brown 	0x0000,     /* R102 */
194a91eb199SMark Brown 	0x0000,     /* R103 */
195a91eb199SMark Brown 	0x0004,     /* R104 - Class W 0 */
196a91eb199SMark Brown 	0x0000,     /* R105 */
197a91eb199SMark Brown 	0x0000,     /* R106 */
198a91eb199SMark Brown 	0x0000,     /* R107 */
199a91eb199SMark Brown 	0x0000,     /* R108 - Write Sequencer 0 */
200a91eb199SMark Brown 	0x0000,     /* R109 - Write Sequencer 1 */
201a91eb199SMark Brown 	0x0000,     /* R110 - Write Sequencer 2 */
202a91eb199SMark Brown 	0x0000,     /* R111 - Write Sequencer 3 */
203a91eb199SMark Brown 	0x0000,     /* R112 - Write Sequencer 4 */
204a91eb199SMark Brown 	0x0000,     /* R113 */
205a91eb199SMark Brown 	0x0000,     /* R114 */
206a91eb199SMark Brown 	0x0000,     /* R115 */
207a91eb199SMark Brown 	0x0000,     /* R116 - FLL Control 1 */
208a91eb199SMark Brown 	0x0007,     /* R117 - FLL Control 2 */
209a91eb199SMark Brown 	0x0000,     /* R118 - FLL Control 3 */
210a91eb199SMark Brown 	0x2EE0,     /* R119 - FLL Control 4 */
211a91eb199SMark Brown 	0x0004,     /* R120 - FLL Control 5 */
212a91eb199SMark Brown 	0x0014,     /* R121 - GPIO Control 1 */
213a91eb199SMark Brown 	0x0010,     /* R122 - GPIO Control 2 */
214a91eb199SMark Brown 	0x0010,     /* R123 - GPIO Control 3 */
215a91eb199SMark Brown 	0x0000,     /* R124 - GPIO Control 4 */
216a91eb199SMark Brown 	0x0000,     /* R125 */
217a91eb199SMark Brown 	0x0000,     /* R126 - Digital Pulls */
218a91eb199SMark Brown 	0x0000,     /* R127 - Interrupt Status */
219a91eb199SMark Brown 	0xFFFF,     /* R128 - Interrupt Status Mask */
220a91eb199SMark Brown 	0x0000,     /* R129 - Interrupt Polarity */
221a91eb199SMark Brown 	0x0000,     /* R130 - Interrupt Debounce */
222a91eb199SMark Brown 	0x0000,     /* R131 */
223a91eb199SMark Brown 	0x0000,     /* R132 */
224a91eb199SMark Brown 	0x0000,     /* R133 */
225a91eb199SMark Brown 	0x0000,     /* R134 - EQ1 */
226a91eb199SMark Brown 	0x000C,     /* R135 - EQ2 */
227a91eb199SMark Brown 	0x000C,     /* R136 - EQ3 */
228a91eb199SMark Brown 	0x000C,     /* R137 - EQ4 */
229a91eb199SMark Brown 	0x000C,     /* R138 - EQ5 */
230a91eb199SMark Brown 	0x000C,     /* R139 - EQ6 */
231a91eb199SMark Brown 	0x0FCA,     /* R140 - EQ7 */
232a91eb199SMark Brown 	0x0400,     /* R141 - EQ8 */
233a91eb199SMark Brown 	0x00D8,     /* R142 - EQ9 */
234a91eb199SMark Brown 	0x1EB5,     /* R143 - EQ10 */
235a91eb199SMark Brown 	0xF145,     /* R144 - EQ11 */
236a91eb199SMark Brown 	0x0B75,     /* R145 - EQ12 */
237a91eb199SMark Brown 	0x01C5,     /* R146 - EQ13 */
238a91eb199SMark Brown 	0x1C58,     /* R147 - EQ14 */
239a91eb199SMark Brown 	0xF373,     /* R148 - EQ15 */
240a91eb199SMark Brown 	0x0A54,     /* R149 - EQ16 */
241a91eb199SMark Brown 	0x0558,     /* R150 - EQ17 */
242a91eb199SMark Brown 	0x168E,     /* R151 - EQ18 */
243a91eb199SMark Brown 	0xF829,     /* R152 - EQ19 */
244a91eb199SMark Brown 	0x07AD,     /* R153 - EQ20 */
245a91eb199SMark Brown 	0x1103,     /* R154 - EQ21 */
246a91eb199SMark Brown 	0x0564,     /* R155 - EQ22 */
247a91eb199SMark Brown 	0x0559,     /* R156 - EQ23 */
248a91eb199SMark Brown 	0x4000,     /* R157 - EQ24 */
249a91eb199SMark Brown 	0x0000,     /* R158 */
250a91eb199SMark Brown 	0x0000,     /* R159 */
251a91eb199SMark Brown 	0x0000,     /* R160 */
252a91eb199SMark Brown 	0x0000,     /* R161 - Control Interface Test 1 */
253a91eb199SMark Brown 	0x0000,     /* R162 */
254a91eb199SMark Brown 	0x0000,     /* R163 */
255a91eb199SMark Brown 	0x0000,     /* R164 */
256a91eb199SMark Brown 	0x0000,     /* R165 */
257a91eb199SMark Brown 	0x0000,     /* R166 */
258a91eb199SMark Brown 	0x0000,     /* R167 */
259a91eb199SMark Brown 	0x0000,     /* R168 */
260a91eb199SMark Brown 	0x0000,     /* R169 */
261a91eb199SMark Brown 	0x0000,     /* R170 */
262a91eb199SMark Brown 	0x0000,     /* R171 */
263a91eb199SMark Brown 	0x0000,     /* R172 */
264a91eb199SMark Brown 	0x0000,     /* R173 */
265a91eb199SMark Brown 	0x0000,     /* R174 */
266a91eb199SMark Brown 	0x0000,     /* R175 */
267a91eb199SMark Brown 	0x0000,     /* R176 */
268a91eb199SMark Brown 	0x0000,     /* R177 */
269a91eb199SMark Brown 	0x0000,     /* R178 */
270a91eb199SMark Brown 	0x0000,     /* R179 */
271a91eb199SMark Brown 	0x0000,     /* R180 */
272a91eb199SMark Brown 	0x0000,     /* R181 */
273a91eb199SMark Brown 	0x0000,     /* R182 */
274a91eb199SMark Brown 	0x0000,     /* R183 */
275a91eb199SMark Brown 	0x0000,     /* R184 */
276a91eb199SMark Brown 	0x0000,     /* R185 */
277a91eb199SMark Brown 	0x0000,     /* R186 */
278a91eb199SMark Brown 	0x0000,     /* R187 */
279a91eb199SMark Brown 	0x0000,     /* R188 */
280a91eb199SMark Brown 	0x0000,     /* R189 */
281a91eb199SMark Brown 	0x0000,     /* R190 */
282a91eb199SMark Brown 	0x0000,     /* R191 */
283a91eb199SMark Brown 	0x0000,     /* R192 */
284a91eb199SMark Brown 	0x0000,     /* R193 */
285a91eb199SMark Brown 	0x0000,     /* R194 */
286a91eb199SMark Brown 	0x0000,     /* R195 */
287a91eb199SMark Brown 	0x0000,     /* R196 */
288a91eb199SMark Brown 	0x0000,     /* R197 */
289a91eb199SMark Brown 	0x0000,     /* R198 */
290a91eb199SMark Brown 	0x0000,     /* R199 */
291a91eb199SMark Brown 	0x0000,     /* R200 */
292a91eb199SMark Brown 	0x0000,     /* R201 */
293a91eb199SMark Brown 	0x0000,     /* R202 */
294a91eb199SMark Brown 	0x0000,     /* R203 */
295a91eb199SMark Brown 	0x0000,     /* R204 - Analogue Output Bias 0 */
296a91eb199SMark Brown 	0x0000,     /* R205 */
297a91eb199SMark Brown 	0x0000,     /* R206 */
298a91eb199SMark Brown 	0x0000,     /* R207 */
299a91eb199SMark Brown 	0x0000,     /* R208 */
300a91eb199SMark Brown 	0x0000,     /* R209 */
301a91eb199SMark Brown 	0x0000,     /* R210 */
302a91eb199SMark Brown 	0x0000,     /* R211 */
303a91eb199SMark Brown 	0x0000,     /* R212 */
304a91eb199SMark Brown 	0x0000,     /* R213 */
305a91eb199SMark Brown 	0x0000,     /* R214 */
306a91eb199SMark Brown 	0x0000,     /* R215 */
307a91eb199SMark Brown 	0x0000,     /* R216 */
308a91eb199SMark Brown 	0x0000,     /* R217 */
309a91eb199SMark Brown 	0x0000,     /* R218 */
310a91eb199SMark Brown 	0x0000,     /* R219 */
311a91eb199SMark Brown 	0x0000,     /* R220 */
312a91eb199SMark Brown 	0x0000,     /* R221 */
313a91eb199SMark Brown 	0x0000,     /* R222 */
314a91eb199SMark Brown 	0x0000,     /* R223 */
315a91eb199SMark Brown 	0x0000,     /* R224 */
316a91eb199SMark Brown 	0x0000,     /* R225 */
317a91eb199SMark Brown 	0x0000,     /* R226 */
318a91eb199SMark Brown 	0x0000,     /* R227 */
319a91eb199SMark Brown 	0x0000,     /* R228 */
320a91eb199SMark Brown 	0x0000,     /* R229 */
321a91eb199SMark Brown 	0x0000,     /* R230 */
322a91eb199SMark Brown 	0x0000,     /* R231 */
323a91eb199SMark Brown 	0x0000,     /* R232 */
324a91eb199SMark Brown 	0x0000,     /* R233 */
325a91eb199SMark Brown 	0x0000,     /* R234 */
326a91eb199SMark Brown 	0x0000,     /* R235 */
327a91eb199SMark Brown 	0x0000,     /* R236 */
328a91eb199SMark Brown 	0x0000,     /* R237 */
329a91eb199SMark Brown 	0x0000,     /* R238 */
330a91eb199SMark Brown 	0x0000,     /* R239 */
331a91eb199SMark Brown 	0x0000,     /* R240 */
332a91eb199SMark Brown 	0x0000,     /* R241 */
333a91eb199SMark Brown 	0x0000,     /* R242 */
334a91eb199SMark Brown 	0x0000,     /* R243 */
335a91eb199SMark Brown 	0x0000,     /* R244 */
336a91eb199SMark Brown 	0x0000,     /* R245 */
337a91eb199SMark Brown 	0x0000,     /* R246 */
338a91eb199SMark Brown 	0x0000,     /* R247 - FLL NCO Test 0 */
339a91eb199SMark Brown 	0x0019,     /* R248 - FLL NCO Test 1 */
340a91eb199SMark Brown };
341a91eb199SMark Brown 
342a91eb199SMark Brown static struct {
343a91eb199SMark Brown 	int readable;
344a91eb199SMark Brown 	int writable;
345a91eb199SMark Brown 	int vol;
346a91eb199SMark Brown } wm8904_access[] = {
347a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 1 }, /* R0   - SW Reset and ID */
348a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R1   - Revision */
349a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R2 */
350a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R3 */
351a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R4   - Bias Control 0 */
352a91eb199SMark Brown 	{ 0x0047, 0x0047, 0 }, /* R5   - VMID Control 0 */
353a91eb199SMark Brown 	{ 0x007F, 0x007F, 0 }, /* R6   - Mic Bias Control 0 */
354a91eb199SMark Brown 	{ 0xC007, 0xC007, 0 }, /* R7   - Mic Bias Control 1 */
355a91eb199SMark Brown 	{ 0x001E, 0x001E, 0 }, /* R8   - Analogue DAC 0 */
356a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R9   - mic Filter Control */
357a91eb199SMark Brown 	{ 0x0001, 0x0001, 0 }, /* R10  - Analogue ADC 0 */
358a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R11 */
359a91eb199SMark Brown 	{ 0x0003, 0x0003, 0 }, /* R12  - Power Management 0 */
360a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R13 */
361a91eb199SMark Brown 	{ 0x0003, 0x0003, 0 }, /* R14  - Power Management 2 */
362a91eb199SMark Brown 	{ 0x0003, 0x0003, 0 }, /* R15  - Power Management 3 */
363a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R16 */
364a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R17 */
365a91eb199SMark Brown 	{ 0x000F, 0x000F, 0 }, /* R18  - Power Management 6 */
366a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R19 */
367a91eb199SMark Brown 	{ 0x7001, 0x7001, 0 }, /* R20  - Clock Rates 0 */
368a91eb199SMark Brown 	{ 0x3C07, 0x3C07, 0 }, /* R21  - Clock Rates 1 */
369a91eb199SMark Brown 	{ 0xD00F, 0xD00F, 0 }, /* R22  - Clock Rates 2 */
370a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R23 */
371a91eb199SMark Brown 	{ 0x1FFF, 0x1FFF, 0 }, /* R24  - Audio Interface 0 */
372a91eb199SMark Brown 	{ 0x3DDF, 0x3DDF, 0 }, /* R25  - Audio Interface 1 */
373a91eb199SMark Brown 	{ 0x0F1F, 0x0F1F, 0 }, /* R26  - Audio Interface 2 */
374a91eb199SMark Brown 	{ 0x0FFF, 0x0FFF, 0 }, /* R27  - Audio Interface 3 */
375a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R28 */
376a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R29 */
377a91eb199SMark Brown 	{ 0x00FF, 0x01FF, 0 }, /* R30  - DAC Digital Volume Left */
378a91eb199SMark Brown 	{ 0x00FF, 0x01FF, 0 }, /* R31  - DAC Digital Volume Right */
379a91eb199SMark Brown 	{ 0x0FFF, 0x0FFF, 0 }, /* R32  - DAC Digital 0 */
380a91eb199SMark Brown 	{ 0x1E4E, 0x1E4E, 0 }, /* R33  - DAC Digital 1 */
381a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R34 */
382a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R35 */
383a91eb199SMark Brown 	{ 0x00FF, 0x01FF, 0 }, /* R36  - ADC Digital Volume Left */
384a91eb199SMark Brown 	{ 0x00FF, 0x01FF, 0 }, /* R37  - ADC Digital Volume Right */
385a91eb199SMark Brown 	{ 0x0073, 0x0073, 0 }, /* R38  - ADC Digital 0 */
386a91eb199SMark Brown 	{ 0x1800, 0x1800, 0 }, /* R39  - Digital Microphone 0 */
387a91eb199SMark Brown 	{ 0xDFEF, 0xDFEF, 0 }, /* R40  - DRC 0 */
388a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R41  - DRC 1 */
389a91eb199SMark Brown 	{ 0x003F, 0x003F, 0 }, /* R42  - DRC 2 */
390a91eb199SMark Brown 	{ 0x07FF, 0x07FF, 0 }, /* R43  - DRC 3 */
391a91eb199SMark Brown 	{ 0x009F, 0x009F, 0 }, /* R44  - Analogue Left Input 0 */
392a91eb199SMark Brown 	{ 0x009F, 0x009F, 0 }, /* R45  - Analogue Right Input 0 */
393a91eb199SMark Brown 	{ 0x007F, 0x007F, 0 }, /* R46  - Analogue Left Input 1 */
394a91eb199SMark Brown 	{ 0x007F, 0x007F, 0 }, /* R47  - Analogue Right Input 1 */
395a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R48 */
396a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R49 */
397a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R50 */
398a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R51 */
399a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R52 */
400a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R53 */
401a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R54 */
402a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R55 */
403a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R56 */
404a91eb199SMark Brown 	{ 0x017F, 0x01FF, 0 }, /* R57  - Analogue OUT1 Left */
405a91eb199SMark Brown 	{ 0x017F, 0x01FF, 0 }, /* R58  - Analogue OUT1 Right */
406a91eb199SMark Brown 	{ 0x017F, 0x01FF, 0 }, /* R59  - Analogue OUT2 Left */
407a91eb199SMark Brown 	{ 0x017F, 0x01FF, 0 }, /* R60  - Analogue OUT2 Right */
408a91eb199SMark Brown 	{ 0x000F, 0x000F, 0 }, /* R61  - Analogue OUT12 ZC */
409a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R62 */
410a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R63 */
411a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R64 */
412a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R65 */
413a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R66 */
414a91eb199SMark Brown 	{ 0x000F, 0x000F, 0 }, /* R67  - DC Servo 0 */
415a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 1 }, /* R68  - DC Servo 1 */
416a91eb199SMark Brown 	{ 0x0F0F, 0x0F0F, 0 }, /* R69  - DC Servo 2 */
417a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R70 */
418a91eb199SMark Brown 	{ 0x007F, 0x007F, 0 }, /* R71  - DC Servo 4 */
419a91eb199SMark Brown 	{ 0x007F, 0x007F, 0 }, /* R72  - DC Servo 5 */
420a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 1 }, /* R73  - DC Servo 6 */
421a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 1 }, /* R74  - DC Servo 7 */
422a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 1 }, /* R75  - DC Servo 8 */
423a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 1 }, /* R76  - DC Servo 9 */
424a91eb199SMark Brown 	{ 0x0FFF, 0x0000, 1 }, /* R77  - DC Servo Readback 0 */
425a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R78 */
426a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R79 */
427a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R80 */
428a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R81 */
429a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R82 */
430a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R83 */
431a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R84 */
432a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R85 */
433a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R86 */
434a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R87 */
435a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R88 */
436a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R89 */
437a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 0 }, /* R90  - Analogue HP 0 */
438a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R91 */
439a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R92 */
440a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R93 */
441a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 0 }, /* R94  - Analogue Lineout 0 */
442a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R95 */
443a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R96 */
444a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R97 */
445a91eb199SMark Brown 	{ 0x0001, 0x0001, 0 }, /* R98  - Charge Pump 0 */
446a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R99 */
447a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R100 */
448a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R101 */
449a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R102 */
450a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R103 */
451a91eb199SMark Brown 	{ 0x0001, 0x0001, 0 }, /* R104 - Class W 0 */
452a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R105 */
453a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R106 */
454a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R107 */
455a91eb199SMark Brown 	{ 0x011F, 0x011F, 0 }, /* R108 - Write Sequencer 0 */
456a91eb199SMark Brown 	{ 0x7FFF, 0x7FFF, 0 }, /* R109 - Write Sequencer 1 */
457a91eb199SMark Brown 	{ 0x4FFF, 0x4FFF, 0 }, /* R110 - Write Sequencer 2 */
458a91eb199SMark Brown 	{ 0x003F, 0x033F, 0 }, /* R111 - Write Sequencer 3 */
459a91eb199SMark Brown 	{ 0x03F1, 0x0000, 0 }, /* R112 - Write Sequencer 4 */
460a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R113 */
461a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R114 */
462a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R115 */
463a91eb199SMark Brown 	{ 0x0007, 0x0007, 0 }, /* R116 - FLL Control 1 */
464a91eb199SMark Brown 	{ 0x3F77, 0x3F77, 0 }, /* R117 - FLL Control 2 */
465a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R118 - FLL Control 3 */
466a91eb199SMark Brown 	{ 0x7FEF, 0x7FEF, 0 }, /* R119 - FLL Control 4 */
467a91eb199SMark Brown 	{ 0x001B, 0x001B, 0 }, /* R120 - FLL Control 5 */
468a91eb199SMark Brown 	{ 0x003F, 0x003F, 0 }, /* R121 - GPIO Control 1 */
469a91eb199SMark Brown 	{ 0x003F, 0x003F, 0 }, /* R122 - GPIO Control 2 */
470a91eb199SMark Brown 	{ 0x003F, 0x003F, 0 }, /* R123 - GPIO Control 3 */
471a91eb199SMark Brown 	{ 0x038F, 0x038F, 0 }, /* R124 - GPIO Control 4 */
472a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R125 */
473a91eb199SMark Brown 	{ 0x00FF, 0x00FF, 0 }, /* R126 - Digital Pulls */
474a91eb199SMark Brown 	{ 0x07FF, 0x03FF, 1 }, /* R127 - Interrupt Status */
475a91eb199SMark Brown 	{ 0x03FF, 0x03FF, 0 }, /* R128 - Interrupt Status Mask */
476a91eb199SMark Brown 	{ 0x03FF, 0x03FF, 0 }, /* R129 - Interrupt Polarity */
477a91eb199SMark Brown 	{ 0x03FF, 0x03FF, 0 }, /* R130 - Interrupt Debounce */
478a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R131 */
479a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R132 */
480a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R133 */
481a91eb199SMark Brown 	{ 0x0001, 0x0001, 0 }, /* R134 - EQ1 */
482a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R135 - EQ2 */
483a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R136 - EQ3 */
484a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R137 - EQ4 */
485a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R138 - EQ5 */
486a91eb199SMark Brown 	{ 0x001F, 0x001F, 0 }, /* R139 - EQ6 */
487a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R140 - EQ7 */
488a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R141 - EQ8 */
489a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R142 - EQ9 */
490a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R143 - EQ10 */
491a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R144 - EQ11 */
492a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R145 - EQ12 */
493a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R146 - EQ13 */
494a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R147 - EQ14 */
495a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R148 - EQ15 */
496a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R149 - EQ16 */
497a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R150 - EQ17 */
498a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R151wm8523_dai - EQ18 */
499a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R152 - EQ19 */
500a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R153 - EQ20 */
501a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R154 - EQ21 */
502a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R155 - EQ22 */
503a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R156 - EQ23 */
504a91eb199SMark Brown 	{ 0xFFFF, 0xFFFF, 0 }, /* R157 - EQ24 */
505a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R158 */
506a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R159 */
507a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R160 */
508a91eb199SMark Brown 	{ 0x0002, 0x0002, 0 }, /* R161 - Control Interface Test 1 */
509a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R162 */
510a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R163 */
511a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R164 */
512a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R165 */
513a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R166 */
514a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R167 */
515a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R168 */
516a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R169 */
517a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R170 */
518a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R171 */
519a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R172 */
520a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R173 */
521a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R174 */
522a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R175 */
523a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R176 */
524a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R177 */
525a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R178 */
526a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R179 */
527a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R180 */
528a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R181 */
529a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R182 */
530a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R183 */
531a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R184 */
532a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R185 */
533a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R186 */
534a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R187 */
535a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R188 */
536a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R189 */
537a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R190 */
538a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R191 */
539a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R192 */
540a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R193 */
541a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R194 */
542a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R195 */
543a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R196 */
544a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R197 */
545a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R198 */
546a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R199 */
547a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R200 */
548a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R201 */
549a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R202 */
550a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R203 */
551a91eb199SMark Brown 	{ 0x0070, 0x0070, 0 }, /* R204 - Analogue Output Bias 0 */
552a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R205 */
553a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R206 */
554a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R207 */
555a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R208 */
556a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R209 */
557a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R210 */
558a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R211 */
559a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R212 */
560a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R213 */
561a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R214 */
562a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R215 */
563a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R216 */
564a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R217 */
565a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R218 */
566a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R219 */
567a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R220 */
568a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R221 */
569a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R222 */
570a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R223 */
571a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R224 */
572a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R225 */
573a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R226 */
574a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R227 */
575a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R228 */
576a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R229 */
577a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R230 */
578a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R231 */
579a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R232 */
580a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R233 */
581a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R234 */
582a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R235 */
583a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R236 */
584a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R237 */
585a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R238 */
586a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R239 */
587a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R240 */
588a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R241 */
589a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R242 */
590a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R243 */
591a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R244 */
592a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R245 */
593a91eb199SMark Brown 	{ 0x0000, 0x0000, 0 }, /* R246 */
594a91eb199SMark Brown 	{ 0x0001, 0x0001, 0 }, /* R247 - FLL NCO Test 0 */
595a91eb199SMark Brown 	{ 0x003F, 0x003F, 0 }, /* R248 - FLL NCO Test 1 */
596a91eb199SMark Brown };
597a91eb199SMark Brown 
598d4754ec9SDimitris Papastamos static int wm8904_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
599a91eb199SMark Brown {
600a91eb199SMark Brown 	return wm8904_access[reg].vol;
601a91eb199SMark Brown }
602a91eb199SMark Brown 
603a91eb199SMark Brown static int wm8904_reset(struct snd_soc_codec *codec)
604a91eb199SMark Brown {
605a91eb199SMark Brown 	return snd_soc_write(codec, WM8904_SW_RESET_AND_ID, 0);
606a91eb199SMark Brown }
607a91eb199SMark Brown 
608a91eb199SMark Brown static int wm8904_configure_clocking(struct snd_soc_codec *codec)
609a91eb199SMark Brown {
610b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
611a91eb199SMark Brown 	unsigned int clock0, clock2, rate;
612a91eb199SMark Brown 
613a91eb199SMark Brown 	/* Gate the clock while we're updating to avoid misclocking */
614a91eb199SMark Brown 	clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2);
615a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
616a91eb199SMark Brown 			    WM8904_SYSCLK_SRC, 0);
617a91eb199SMark Brown 
618a91eb199SMark Brown 	/* This should be done on init() for bypass paths */
619a91eb199SMark Brown 	switch (wm8904->sysclk_src) {
620a91eb199SMark Brown 	case WM8904_CLK_MCLK:
621a91eb199SMark Brown 		dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8904->mclk_rate);
622a91eb199SMark Brown 
623a91eb199SMark Brown 		clock2 &= ~WM8904_SYSCLK_SRC;
624a91eb199SMark Brown 		rate = wm8904->mclk_rate;
625a91eb199SMark Brown 
626a91eb199SMark Brown 		/* Ensure the FLL is stopped */
627a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
628a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
629a91eb199SMark Brown 		break;
630a91eb199SMark Brown 
631a91eb199SMark Brown 	case WM8904_CLK_FLL:
632a91eb199SMark Brown 		dev_dbg(codec->dev, "Using %dHz FLL clock\n",
633a91eb199SMark Brown 			wm8904->fll_fout);
634a91eb199SMark Brown 
635a91eb199SMark Brown 		clock2 |= WM8904_SYSCLK_SRC;
636a91eb199SMark Brown 		rate = wm8904->fll_fout;
637a91eb199SMark Brown 		break;
638a91eb199SMark Brown 
639a91eb199SMark Brown 	default:
640a91eb199SMark Brown 		dev_err(codec->dev, "System clock not configured\n");
641a91eb199SMark Brown 		return -EINVAL;
642a91eb199SMark Brown 	}
643a91eb199SMark Brown 
644a91eb199SMark Brown 	/* SYSCLK shouldn't be over 13.5MHz */
645a91eb199SMark Brown 	if (rate > 13500000) {
646a91eb199SMark Brown 		clock0 = WM8904_MCLK_DIV;
647a91eb199SMark Brown 		wm8904->sysclk_rate = rate / 2;
648a91eb199SMark Brown 	} else {
649a91eb199SMark Brown 		clock0 = 0;
650a91eb199SMark Brown 		wm8904->sysclk_rate = rate;
651a91eb199SMark Brown 	}
652a91eb199SMark Brown 
653a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, WM8904_MCLK_DIV,
654a91eb199SMark Brown 			    clock0);
655a91eb199SMark Brown 
656a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
657a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA | WM8904_SYSCLK_SRC, clock2);
658a91eb199SMark Brown 
659a91eb199SMark Brown 	dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate);
660a91eb199SMark Brown 
661a91eb199SMark Brown 	return 0;
662a91eb199SMark Brown }
663a91eb199SMark Brown 
664a91eb199SMark Brown static void wm8904_set_drc(struct snd_soc_codec *codec)
665a91eb199SMark Brown {
666b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
667a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
668a91eb199SMark Brown 	int save, i;
669a91eb199SMark Brown 
670a91eb199SMark Brown 	/* Save any enables; the configuration should clear them. */
671a91eb199SMark Brown 	save = snd_soc_read(codec, WM8904_DRC_0);
672a91eb199SMark Brown 
673a91eb199SMark Brown 	for (i = 0; i < WM8904_DRC_REGS; i++)
674a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DRC_0 + i, 0xffff,
675a91eb199SMark Brown 				    pdata->drc_cfgs[wm8904->drc_cfg].regs[i]);
676a91eb199SMark Brown 
677a91eb199SMark Brown 	/* Reenable the DRC */
678a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DRC_0,
679a91eb199SMark Brown 			    WM8904_DRC_ENA | WM8904_DRC_DAC_PATH, save);
680a91eb199SMark Brown }
681a91eb199SMark Brown 
682a91eb199SMark Brown static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol,
683a91eb199SMark Brown 			       struct snd_ctl_elem_value *ucontrol)
684a91eb199SMark Brown {
685a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
686b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
687a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
688a91eb199SMark Brown 	int value = ucontrol->value.integer.value[0];
689a91eb199SMark Brown 
690a91eb199SMark Brown 	if (value >= pdata->num_drc_cfgs)
691a91eb199SMark Brown 		return -EINVAL;
692a91eb199SMark Brown 
693a91eb199SMark Brown 	wm8904->drc_cfg = value;
694a91eb199SMark Brown 
695a91eb199SMark Brown 	wm8904_set_drc(codec);
696a91eb199SMark Brown 
697a91eb199SMark Brown 	return 0;
698a91eb199SMark Brown }
699a91eb199SMark Brown 
700a91eb199SMark Brown static int wm8904_get_drc_enum(struct snd_kcontrol *kcontrol,
701a91eb199SMark Brown 			       struct snd_ctl_elem_value *ucontrol)
702a91eb199SMark Brown {
703a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
704b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
705a91eb199SMark Brown 
706a91eb199SMark Brown 	ucontrol->value.enumerated.item[0] = wm8904->drc_cfg;
707a91eb199SMark Brown 
708a91eb199SMark Brown 	return 0;
709a91eb199SMark Brown }
710a91eb199SMark Brown 
711a91eb199SMark Brown static void wm8904_set_retune_mobile(struct snd_soc_codec *codec)
712a91eb199SMark Brown {
713b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
714a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
715a91eb199SMark Brown 	int best, best_val, save, i, cfg;
716a91eb199SMark Brown 
717a91eb199SMark Brown 	if (!pdata || !wm8904->num_retune_mobile_texts)
718a91eb199SMark Brown 		return;
719a91eb199SMark Brown 
720a91eb199SMark Brown 	/* Find the version of the currently selected configuration
721a91eb199SMark Brown 	 * with the nearest sample rate. */
722a91eb199SMark Brown 	cfg = wm8904->retune_mobile_cfg;
723a91eb199SMark Brown 	best = 0;
724a91eb199SMark Brown 	best_val = INT_MAX;
725a91eb199SMark Brown 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
726a91eb199SMark Brown 		if (strcmp(pdata->retune_mobile_cfgs[i].name,
727a91eb199SMark Brown 			   wm8904->retune_mobile_texts[cfg]) == 0 &&
728a91eb199SMark Brown 		    abs(pdata->retune_mobile_cfgs[i].rate
729a91eb199SMark Brown 			- wm8904->fs) < best_val) {
730a91eb199SMark Brown 			best = i;
731a91eb199SMark Brown 			best_val = abs(pdata->retune_mobile_cfgs[i].rate
732a91eb199SMark Brown 				       - wm8904->fs);
733a91eb199SMark Brown 		}
734a91eb199SMark Brown 	}
735a91eb199SMark Brown 
736a91eb199SMark Brown 	dev_dbg(codec->dev, "ReTune Mobile %s/%dHz for %dHz sample rate\n",
737a91eb199SMark Brown 		pdata->retune_mobile_cfgs[best].name,
738a91eb199SMark Brown 		pdata->retune_mobile_cfgs[best].rate,
739a91eb199SMark Brown 		wm8904->fs);
740a91eb199SMark Brown 
741a91eb199SMark Brown 	/* The EQ will be disabled while reconfiguring it, remember the
742a91eb199SMark Brown 	 * current configuration.
743a91eb199SMark Brown 	 */
744a91eb199SMark Brown 	save = snd_soc_read(codec, WM8904_EQ1);
745a91eb199SMark Brown 
746a91eb199SMark Brown 	for (i = 0; i < WM8904_EQ_REGS; i++)
747a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_EQ1 + i, 0xffff,
748a91eb199SMark Brown 				pdata->retune_mobile_cfgs[best].regs[i]);
749a91eb199SMark Brown 
750a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_EQ1, WM8904_EQ_ENA, save);
751a91eb199SMark Brown }
752a91eb199SMark Brown 
753a91eb199SMark Brown static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
754a91eb199SMark Brown 					 struct snd_ctl_elem_value *ucontrol)
755a91eb199SMark Brown {
756a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
757b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
758a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
759a91eb199SMark Brown 	int value = ucontrol->value.integer.value[0];
760a91eb199SMark Brown 
761a91eb199SMark Brown 	if (value >= pdata->num_retune_mobile_cfgs)
762a91eb199SMark Brown 		return -EINVAL;
763a91eb199SMark Brown 
764a91eb199SMark Brown 	wm8904->retune_mobile_cfg = value;
765a91eb199SMark Brown 
766a91eb199SMark Brown 	wm8904_set_retune_mobile(codec);
767a91eb199SMark Brown 
768a91eb199SMark Brown 	return 0;
769a91eb199SMark Brown }
770a91eb199SMark Brown 
771a91eb199SMark Brown static int wm8904_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
772a91eb199SMark Brown 					 struct snd_ctl_elem_value *ucontrol)
773a91eb199SMark Brown {
774a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
775b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
776a91eb199SMark Brown 
777a91eb199SMark Brown 	ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg;
778a91eb199SMark Brown 
779a91eb199SMark Brown 	return 0;
780a91eb199SMark Brown }
781a91eb199SMark Brown 
782a91eb199SMark Brown static int deemph_settings[] = { 0, 32000, 44100, 48000 };
783a91eb199SMark Brown 
784a91eb199SMark Brown static int wm8904_set_deemph(struct snd_soc_codec *codec)
785a91eb199SMark Brown {
786b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
787a91eb199SMark Brown 	int val, i, best;
788a91eb199SMark Brown 
789a91eb199SMark Brown 	/* If we're using deemphasis select the nearest available sample
790a91eb199SMark Brown 	 * rate.
791a91eb199SMark Brown 	 */
792a91eb199SMark Brown 	if (wm8904->deemph) {
793a91eb199SMark Brown 		best = 1;
794a91eb199SMark Brown 		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
795a91eb199SMark Brown 			if (abs(deemph_settings[i] - wm8904->fs) <
796a91eb199SMark Brown 			    abs(deemph_settings[best] - wm8904->fs))
797a91eb199SMark Brown 				best = i;
798a91eb199SMark Brown 		}
799a91eb199SMark Brown 
800a91eb199SMark Brown 		val = best << WM8904_DEEMPH_SHIFT;
801a91eb199SMark Brown 	} else {
802a91eb199SMark Brown 		val = 0;
803a91eb199SMark Brown 	}
804a91eb199SMark Brown 
805a91eb199SMark Brown 	dev_dbg(codec->dev, "Set deemphasis %d\n", val);
806a91eb199SMark Brown 
807a91eb199SMark Brown 	return snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1,
808a91eb199SMark Brown 				   WM8904_DEEMPH_MASK, val);
809a91eb199SMark Brown }
810a91eb199SMark Brown 
811a91eb199SMark Brown static int wm8904_get_deemph(struct snd_kcontrol *kcontrol,
812a91eb199SMark Brown 			     struct snd_ctl_elem_value *ucontrol)
813a91eb199SMark Brown {
814a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
815b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
816a91eb199SMark Brown 
8173f343f85SDmitry Artamonow 	ucontrol->value.enumerated.item[0] = wm8904->deemph;
8183f343f85SDmitry Artamonow 	return 0;
819a91eb199SMark Brown }
820a91eb199SMark Brown 
821a91eb199SMark Brown static int wm8904_put_deemph(struct snd_kcontrol *kcontrol,
822a91eb199SMark Brown 			      struct snd_ctl_elem_value *ucontrol)
823a91eb199SMark Brown {
824a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
825b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
826a91eb199SMark Brown 	int deemph = ucontrol->value.enumerated.item[0];
827a91eb199SMark Brown 
828a91eb199SMark Brown 	if (deemph > 1)
829a91eb199SMark Brown 		return -EINVAL;
830a91eb199SMark Brown 
831a91eb199SMark Brown 	wm8904->deemph = deemph;
832a91eb199SMark Brown 
833a91eb199SMark Brown 	return wm8904_set_deemph(codec);
834a91eb199SMark Brown }
835a91eb199SMark Brown 
836a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
837a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
838a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
839a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0);
840a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
841a91eb199SMark Brown 
842a91eb199SMark Brown static const char *input_mode_text[] = {
843a91eb199SMark Brown 	"Single-Ended", "Differential Line", "Differential Mic"
844a91eb199SMark Brown };
845a91eb199SMark Brown 
846a91eb199SMark Brown static const struct soc_enum lin_mode =
847a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text);
848a91eb199SMark Brown 
849a91eb199SMark Brown static const struct soc_enum rin_mode =
850a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text);
851a91eb199SMark Brown 
852a91eb199SMark Brown static const char *hpf_mode_text[] = {
853a91eb199SMark Brown 	"Hi-fi", "Voice 1", "Voice 2", "Voice 3"
854a91eb199SMark Brown };
855a91eb199SMark Brown 
856a91eb199SMark Brown static const struct soc_enum hpf_mode =
857a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
858a91eb199SMark Brown 
859a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = {
860a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT,
861a91eb199SMark Brown 		 WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv),
862a91eb199SMark Brown 
863a91eb199SMark Brown SOC_ENUM("Left Caputure Mode", lin_mode),
864a91eb199SMark Brown SOC_ENUM("Right Capture Mode", rin_mode),
865a91eb199SMark Brown 
866a91eb199SMark Brown /* No TLV since it depends on mode */
867a91eb199SMark Brown SOC_DOUBLE_R("Capture Volume", WM8904_ANALOGUE_LEFT_INPUT_0,
868a91eb199SMark Brown 	     WM8904_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0),
869a91eb199SMark Brown SOC_DOUBLE_R("Capture Switch", WM8904_ANALOGUE_LEFT_INPUT_0,
870*5a7c5f26SHong Xu 	     WM8904_ANALOGUE_RIGHT_INPUT_0, 7, 1, 1),
871a91eb199SMark Brown 
872a91eb199SMark Brown SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0),
873a91eb199SMark Brown SOC_ENUM("High Pass Filter Mode", hpf_mode),
874a91eb199SMark Brown 
875a91eb199SMark Brown SOC_SINGLE("ADC 128x OSR Switch", WM8904_ANALOGUE_ADC_0, 0, 1, 0),
876a91eb199SMark Brown };
877a91eb199SMark Brown 
878a91eb199SMark Brown static const char *drc_path_text[] = {
879a91eb199SMark Brown 	"ADC", "DAC"
880a91eb199SMark Brown };
881a91eb199SMark Brown 
882a91eb199SMark Brown static const struct soc_enum drc_path =
883a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DRC_0, 14, 2, drc_path_text);
884a91eb199SMark Brown 
885a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_dac_snd_controls[] = {
886a91eb199SMark Brown SOC_SINGLE_TLV("Digital Playback Boost Volume",
887a91eb199SMark Brown 	       WM8904_AUDIO_INTERFACE_0, 9, 3, 0, dac_boost_tlv),
888a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8904_DAC_DIGITAL_VOLUME_LEFT,
889a91eb199SMark Brown 		 WM8904_DAC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv),
890a91eb199SMark Brown 
891a91eb199SMark Brown SOC_DOUBLE_R_TLV("Headphone Volume", WM8904_ANALOGUE_OUT1_LEFT,
892a91eb199SMark Brown 		 WM8904_ANALOGUE_OUT1_RIGHT, 0, 63, 0, out_tlv),
893a91eb199SMark Brown SOC_DOUBLE_R("Headphone Switch", WM8904_ANALOGUE_OUT1_LEFT,
894a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT1_RIGHT, 8, 1, 1),
895a91eb199SMark Brown SOC_DOUBLE_R("Headphone ZC Switch", WM8904_ANALOGUE_OUT1_LEFT,
896a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT1_RIGHT, 6, 1, 0),
897a91eb199SMark Brown 
898a91eb199SMark Brown SOC_DOUBLE_R_TLV("Line Output Volume", WM8904_ANALOGUE_OUT2_LEFT,
899a91eb199SMark Brown 		 WM8904_ANALOGUE_OUT2_RIGHT, 0, 63, 0, out_tlv),
900a91eb199SMark Brown SOC_DOUBLE_R("Line Output Switch", WM8904_ANALOGUE_OUT2_LEFT,
901a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT2_RIGHT, 8, 1, 1),
902a91eb199SMark Brown SOC_DOUBLE_R("Line Output ZC Switch", WM8904_ANALOGUE_OUT2_LEFT,
903a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT2_RIGHT, 6, 1, 0),
904a91eb199SMark Brown 
905a91eb199SMark Brown SOC_SINGLE("EQ Switch", WM8904_EQ1, 0, 1, 0),
906a91eb199SMark Brown SOC_SINGLE("DRC Switch", WM8904_DRC_0, 15, 1, 0),
907a91eb199SMark Brown SOC_ENUM("DRC Path", drc_path),
908a91eb199SMark Brown SOC_SINGLE("DAC OSRx2 Switch", WM8904_DAC_DIGITAL_1, 6, 1, 0),
909a91eb199SMark Brown SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
910a91eb199SMark Brown 		    wm8904_get_deemph, wm8904_put_deemph),
911a91eb199SMark Brown };
912a91eb199SMark Brown 
913a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_snd_controls[] = {
914a91eb199SMark Brown SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8904_DAC_DIGITAL_0, 4, 8, 15, 0,
915a91eb199SMark Brown 	       sidetone_tlv),
916a91eb199SMark Brown };
917a91eb199SMark Brown 
918a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_eq_controls[] = {
919a91eb199SMark Brown SOC_SINGLE_TLV("EQ1 Volume", WM8904_EQ2, 0, 24, 0, eq_tlv),
920a91eb199SMark Brown SOC_SINGLE_TLV("EQ2 Volume", WM8904_EQ3, 0, 24, 0, eq_tlv),
921a91eb199SMark Brown SOC_SINGLE_TLV("EQ3 Volume", WM8904_EQ4, 0, 24, 0, eq_tlv),
922a91eb199SMark Brown SOC_SINGLE_TLV("EQ4 Volume", WM8904_EQ5, 0, 24, 0, eq_tlv),
923a91eb199SMark Brown SOC_SINGLE_TLV("EQ5 Volume", WM8904_EQ6, 0, 24, 0, eq_tlv),
924a91eb199SMark Brown };
925a91eb199SMark Brown 
926a91eb199SMark Brown static int cp_event(struct snd_soc_dapm_widget *w,
927a91eb199SMark Brown 		    struct snd_kcontrol *kcontrol, int event)
928a91eb199SMark Brown {
929a91eb199SMark Brown 	BUG_ON(event != SND_SOC_DAPM_POST_PMU);
930a91eb199SMark Brown 
931a91eb199SMark Brown 	/* Maximum startup time */
932a91eb199SMark Brown 	udelay(500);
933a91eb199SMark Brown 
934a91eb199SMark Brown 	return 0;
935a91eb199SMark Brown }
936a91eb199SMark Brown 
937a91eb199SMark Brown static int sysclk_event(struct snd_soc_dapm_widget *w,
938a91eb199SMark Brown 			 struct snd_kcontrol *kcontrol, int event)
939a91eb199SMark Brown {
940a91eb199SMark Brown 	struct snd_soc_codec *codec = w->codec;
941b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
942a91eb199SMark Brown 
943a91eb199SMark Brown 	switch (event) {
944a91eb199SMark Brown 	case SND_SOC_DAPM_PRE_PMU:
945a91eb199SMark Brown 		/* If we're using the FLL then we only start it when
946a91eb199SMark Brown 		 * required; we assume that the configuration has been
947a91eb199SMark Brown 		 * done previously and all we need to do is kick it
948a91eb199SMark Brown 		 * off.
949a91eb199SMark Brown 		 */
950a91eb199SMark Brown 		switch (wm8904->sysclk_src) {
951a91eb199SMark Brown 		case WM8904_CLK_FLL:
952a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
953a91eb199SMark Brown 					    WM8904_FLL_OSC_ENA,
954a91eb199SMark Brown 					    WM8904_FLL_OSC_ENA);
955a91eb199SMark Brown 
956a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
957a91eb199SMark Brown 					    WM8904_FLL_ENA,
958a91eb199SMark Brown 					    WM8904_FLL_ENA);
959a91eb199SMark Brown 			break;
960a91eb199SMark Brown 
961a91eb199SMark Brown 		default:
962a91eb199SMark Brown 			break;
963a91eb199SMark Brown 		}
964a91eb199SMark Brown 		break;
965a91eb199SMark Brown 
966a91eb199SMark Brown 	case SND_SOC_DAPM_POST_PMD:
967a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
968a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
969a91eb199SMark Brown 		break;
970a91eb199SMark Brown 	}
971a91eb199SMark Brown 
972a91eb199SMark Brown 	return 0;
973a91eb199SMark Brown }
974a91eb199SMark Brown 
975a91eb199SMark Brown static int out_pga_event(struct snd_soc_dapm_widget *w,
976a91eb199SMark Brown 			 struct snd_kcontrol *kcontrol, int event)
977a91eb199SMark Brown {
978a91eb199SMark Brown 	struct snd_soc_codec *codec = w->codec;
979b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
980a91eb199SMark Brown 	int reg, val;
981a91eb199SMark Brown 	int dcs_mask;
982a91eb199SMark Brown 	int dcs_l, dcs_r;
983a91eb199SMark Brown 	int dcs_l_reg, dcs_r_reg;
984a91eb199SMark Brown 	int timeout;
985e4bc6696SMark Brown 	int pwr_reg;
986a91eb199SMark Brown 
987a91eb199SMark Brown 	/* This code is shared between HP and LINEOUT; we do all our
988a91eb199SMark Brown 	 * power management in stereo pairs to avoid latency issues so
989a91eb199SMark Brown 	 * we reuse shift to identify which rather than strcmp() the
990a91eb199SMark Brown 	 * name. */
991a91eb199SMark Brown 	reg = w->shift;
992a91eb199SMark Brown 
993a91eb199SMark Brown 	switch (reg) {
994a91eb199SMark Brown 	case WM8904_ANALOGUE_HP_0:
995e4bc6696SMark Brown 		pwr_reg = WM8904_POWER_MANAGEMENT_2;
996a91eb199SMark Brown 		dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1;
997a91eb199SMark Brown 		dcs_r_reg = WM8904_DC_SERVO_8;
998a91eb199SMark Brown 		dcs_l_reg = WM8904_DC_SERVO_9;
999a91eb199SMark Brown 		dcs_l = 0;
1000a91eb199SMark Brown 		dcs_r = 1;
1001a91eb199SMark Brown 		break;
1002a91eb199SMark Brown 	case WM8904_ANALOGUE_LINEOUT_0:
1003e4bc6696SMark Brown 		pwr_reg = WM8904_POWER_MANAGEMENT_3;
1004a91eb199SMark Brown 		dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3;
1005a91eb199SMark Brown 		dcs_r_reg = WM8904_DC_SERVO_6;
1006a91eb199SMark Brown 		dcs_l_reg = WM8904_DC_SERVO_7;
1007a91eb199SMark Brown 		dcs_l = 2;
1008a91eb199SMark Brown 		dcs_r = 3;
1009a91eb199SMark Brown 		break;
1010a91eb199SMark Brown 	default:
1011a91eb199SMark Brown 		BUG();
1012a91eb199SMark Brown 		return -EINVAL;
1013a91eb199SMark Brown 	}
1014a91eb199SMark Brown 
1015a91eb199SMark Brown 	switch (event) {
1016e4bc6696SMark Brown 	case SND_SOC_DAPM_PRE_PMU:
1017e4bc6696SMark Brown 		/* Power on the PGAs */
1018e4bc6696SMark Brown 		snd_soc_update_bits(codec, pwr_reg,
1019e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA,
1020e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA);
1021e4bc6696SMark Brown 
1022a91eb199SMark Brown 		/* Power on the amplifier */
1023a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1024a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA,
1025a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA);
1026a91eb199SMark Brown 
1027e4bc6696SMark Brown 
1028a91eb199SMark Brown 		/* Enable the first stage */
1029a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1030a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY,
1031a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY);
1032a91eb199SMark Brown 
1033a91eb199SMark Brown 		/* Power up the DC servo */
1034a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DC_SERVO_0,
1035a91eb199SMark Brown 				    dcs_mask, dcs_mask);
1036a91eb199SMark Brown 
1037a91eb199SMark Brown 		/* Either calibrate the DC servo or restore cached state
1038a91eb199SMark Brown 		 * if we have that.
1039a91eb199SMark Brown 		 */
1040a91eb199SMark Brown 		if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) {
1041a91eb199SMark Brown 			dev_dbg(codec->dev, "Restoring DC servo state\n");
1042a91eb199SMark Brown 
1043a91eb199SMark Brown 			snd_soc_write(codec, dcs_l_reg,
1044a91eb199SMark Brown 				      wm8904->dcs_state[dcs_l]);
1045a91eb199SMark Brown 			snd_soc_write(codec, dcs_r_reg,
1046a91eb199SMark Brown 				      wm8904->dcs_state[dcs_r]);
1047a91eb199SMark Brown 
1048a91eb199SMark Brown 			snd_soc_write(codec, WM8904_DC_SERVO_1, dcs_mask);
1049a91eb199SMark Brown 
1050a91eb199SMark Brown 			timeout = 20;
1051a91eb199SMark Brown 		} else {
1052a91eb199SMark Brown 			dev_dbg(codec->dev, "Calibrating DC servo\n");
1053a91eb199SMark Brown 
1054a91eb199SMark Brown 			snd_soc_write(codec, WM8904_DC_SERVO_1,
1055a91eb199SMark Brown 				dcs_mask << WM8904_DCS_TRIG_STARTUP_0_SHIFT);
1056a91eb199SMark Brown 
1057a91eb199SMark Brown 			timeout = 500;
1058a91eb199SMark Brown 		}
1059a91eb199SMark Brown 
1060a91eb199SMark Brown 		/* Wait for DC servo to complete */
1061a91eb199SMark Brown 		dcs_mask <<= WM8904_DCS_CAL_COMPLETE_SHIFT;
1062a91eb199SMark Brown 		do {
1063a91eb199SMark Brown 			val = snd_soc_read(codec, WM8904_DC_SERVO_READBACK_0);
1064a91eb199SMark Brown 			if ((val & dcs_mask) == dcs_mask)
1065a91eb199SMark Brown 				break;
1066a91eb199SMark Brown 
1067a91eb199SMark Brown 			msleep(1);
1068a91eb199SMark Brown 		} while (--timeout);
1069a91eb199SMark Brown 
1070a91eb199SMark Brown 		if ((val & dcs_mask) != dcs_mask)
1071a91eb199SMark Brown 			dev_warn(codec->dev, "DC servo timed out\n");
1072a91eb199SMark Brown 		else
1073a91eb199SMark Brown 			dev_dbg(codec->dev, "DC servo ready\n");
1074a91eb199SMark Brown 
1075a91eb199SMark Brown 		/* Enable the output stage */
1076a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1077a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP,
1078a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP);
1079e4bc6696SMark Brown 		break;
1080a91eb199SMark Brown 
1081e4bc6696SMark Brown 	case SND_SOC_DAPM_POST_PMU:
1082a91eb199SMark Brown 		/* Unshort the output itself */
1083a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1084a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
1085a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT,
1086a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
1087a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT);
1088a91eb199SMark Brown 
1089a91eb199SMark Brown 		break;
1090a91eb199SMark Brown 
1091a91eb199SMark Brown 	case SND_SOC_DAPM_PRE_PMD:
1092a91eb199SMark Brown 		/* Short the output */
1093a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1094a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
1095a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT, 0);
1096e4bc6696SMark Brown 		break;
1097a91eb199SMark Brown 
1098e4bc6696SMark Brown 	case SND_SOC_DAPM_POST_PMD:
1099a91eb199SMark Brown 		/* Cache the DC servo configuration; this will be
1100a91eb199SMark Brown 		 * invalidated if we change the configuration. */
1101a91eb199SMark Brown 		wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg);
1102a91eb199SMark Brown 		wm8904->dcs_state[dcs_r] = snd_soc_read(codec, dcs_r_reg);
1103a91eb199SMark Brown 
1104a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DC_SERVO_0,
1105a91eb199SMark Brown 				    dcs_mask, 0);
1106a91eb199SMark Brown 
1107a91eb199SMark Brown 		/* Disable the amplifier input and output stages */
1108a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
1109a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA |
1110a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY |
1111a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP,
1112a91eb199SMark Brown 				    0);
1113e4bc6696SMark Brown 
1114e4bc6696SMark Brown 		/* PGAs too */
1115e4bc6696SMark Brown 		snd_soc_update_bits(codec, pwr_reg,
1116e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA,
1117e4bc6696SMark Brown 				    0);
1118a91eb199SMark Brown 		break;
1119a91eb199SMark Brown 	}
1120a91eb199SMark Brown 
1121a91eb199SMark Brown 	return 0;
1122a91eb199SMark Brown }
1123a91eb199SMark Brown 
1124a91eb199SMark Brown static const char *lin_text[] = {
1125a91eb199SMark Brown 	"IN1L", "IN2L", "IN3L"
1126a91eb199SMark Brown };
1127a91eb199SMark Brown 
1128a91eb199SMark Brown static const struct soc_enum lin_enum =
1129a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 2, 3, lin_text);
1130a91eb199SMark Brown 
1131a91eb199SMark Brown static const struct snd_kcontrol_new lin_mux =
1132a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Capture Mux", lin_enum);
1133a91eb199SMark Brown 
1134a91eb199SMark Brown static const struct soc_enum lin_inv_enum =
1135a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 4, 3, lin_text);
1136a91eb199SMark Brown 
1137a91eb199SMark Brown static const struct snd_kcontrol_new lin_inv_mux =
1138a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Capture Inveting Mux", lin_inv_enum);
1139a91eb199SMark Brown 
1140a91eb199SMark Brown static const char *rin_text[] = {
1141a91eb199SMark Brown 	"IN1R", "IN2R", "IN3R"
1142a91eb199SMark Brown };
1143a91eb199SMark Brown 
1144a91eb199SMark Brown static const struct soc_enum rin_enum =
1145a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 2, 3, rin_text);
1146a91eb199SMark Brown 
1147a91eb199SMark Brown static const struct snd_kcontrol_new rin_mux =
1148a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Capture Mux", rin_enum);
1149a91eb199SMark Brown 
1150a91eb199SMark Brown static const struct soc_enum rin_inv_enum =
1151a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 4, 3, rin_text);
1152a91eb199SMark Brown 
1153a91eb199SMark Brown static const struct snd_kcontrol_new rin_inv_mux =
1154a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Capture Inveting Mux", rin_inv_enum);
1155a91eb199SMark Brown 
1156a91eb199SMark Brown static const char *aif_text[] = {
1157a91eb199SMark Brown 	"Left", "Right"
1158a91eb199SMark Brown };
1159a91eb199SMark Brown 
1160a91eb199SMark Brown static const struct soc_enum aifoutl_enum =
1161a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 7, 2, aif_text);
1162a91eb199SMark Brown 
1163a91eb199SMark Brown static const struct snd_kcontrol_new aifoutl_mux =
1164a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum);
1165a91eb199SMark Brown 
1166a91eb199SMark Brown static const struct soc_enum aifoutr_enum =
1167a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 6, 2, aif_text);
1168a91eb199SMark Brown 
1169a91eb199SMark Brown static const struct snd_kcontrol_new aifoutr_mux =
1170a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum);
1171a91eb199SMark Brown 
1172a91eb199SMark Brown static const struct soc_enum aifinl_enum =
1173a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 5, 2, aif_text);
1174a91eb199SMark Brown 
1175a91eb199SMark Brown static const struct snd_kcontrol_new aifinl_mux =
1176a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum);
1177a91eb199SMark Brown 
1178a91eb199SMark Brown static const struct soc_enum aifinr_enum =
1179a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 4, 2, aif_text);
1180a91eb199SMark Brown 
1181a91eb199SMark Brown static const struct snd_kcontrol_new aifinr_mux =
1182a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum);
1183a91eb199SMark Brown 
1184a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_core_dapm_widgets[] = {
1185a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("SYSCLK", WM8904_CLOCK_RATES_2, 2, 0, sysclk_event,
1186a91eb199SMark Brown 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1187a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8904_CLOCK_RATES_2, 1, 0, NULL, 0),
1188a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("TOCLK", WM8904_CLOCK_RATES_2, 0, 0, NULL, 0),
1189a91eb199SMark Brown };
1190a91eb199SMark Brown 
1191a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_adc_dapm_widgets[] = {
1192a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1L"),
1193a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1R"),
1194a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2L"),
1195a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2R"),
1196a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3L"),
1197a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3R"),
1198a91eb199SMark Brown 
1199a91eb199SMark Brown SND_SOC_DAPM_MICBIAS("MICBIAS", WM8904_MIC_BIAS_CONTROL_0, 0, 0),
1200a91eb199SMark Brown 
1201a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lin_mux),
1202a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Inverting Mux", SND_SOC_NOPM, 0, 0,
1203a91eb199SMark Brown 		 &lin_inv_mux),
1204a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rin_mux),
1205a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Inverting Mux", SND_SOC_NOPM, 0, 0,
1206a91eb199SMark Brown 		 &rin_inv_mux),
1207a91eb199SMark Brown 
1208a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Capture PGA", WM8904_POWER_MANAGEMENT_0, 1, 0,
1209a91eb199SMark Brown 		 NULL, 0),
1210a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Capture PGA", WM8904_POWER_MANAGEMENT_0, 0, 0,
1211a91eb199SMark Brown 		 NULL, 0),
1212a91eb199SMark Brown 
1213a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCL", NULL, WM8904_POWER_MANAGEMENT_6, 1, 0),
1214a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCR", NULL, WM8904_POWER_MANAGEMENT_6, 0, 0),
1215a91eb199SMark Brown 
1216a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux),
1217a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux),
1218a91eb199SMark Brown 
1219a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
1220a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
1221a91eb199SMark Brown };
1222a91eb199SMark Brown 
1223a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = {
1224a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
1225a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
1226a91eb199SMark Brown 
1227a91eb199SMark Brown SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux),
1228a91eb199SMark Brown SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux),
1229a91eb199SMark Brown 
1230a91eb199SMark Brown SND_SOC_DAPM_DAC("DACL", NULL, WM8904_POWER_MANAGEMENT_6, 3, 0),
1231a91eb199SMark Brown SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0),
1232a91eb199SMark Brown 
1233a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event,
1234a91eb199SMark Brown 		    SND_SOC_DAPM_POST_PMU),
1235a91eb199SMark Brown 
1236e4bc6696SMark Brown SND_SOC_DAPM_PGA("HPL PGA", SND_SOC_NOPM, 1, 0, NULL, 0),
1237e4bc6696SMark Brown SND_SOC_DAPM_PGA("HPR PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
1238a91eb199SMark Brown 
1239e4bc6696SMark Brown SND_SOC_DAPM_PGA("LINEL PGA", SND_SOC_NOPM, 1, 0, NULL, 0),
1240e4bc6696SMark Brown SND_SOC_DAPM_PGA("LINER PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
1241a91eb199SMark Brown 
1242a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0,
1243a91eb199SMark Brown 		   0, NULL, 0, out_pga_event,
1244e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1245e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
1246a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0,
1247a91eb199SMark Brown 		   0, NULL, 0, out_pga_event,
1248e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1249e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
1250a91eb199SMark Brown 
1251a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTL"),
1252a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTR"),
1253a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTL"),
1254a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTR"),
1255a91eb199SMark Brown };
1256a91eb199SMark Brown 
1257a91eb199SMark Brown static const char *out_mux_text[] = {
1258a91eb199SMark Brown 	"DAC", "Bypass"
1259a91eb199SMark Brown };
1260a91eb199SMark Brown 
1261a91eb199SMark Brown static const struct soc_enum hpl_enum =
1262a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 3, 2, out_mux_text);
1263a91eb199SMark Brown 
1264a91eb199SMark Brown static const struct snd_kcontrol_new hpl_mux =
1265a91eb199SMark Brown 	SOC_DAPM_ENUM("HPL Mux", hpl_enum);
1266a91eb199SMark Brown 
1267a91eb199SMark Brown static const struct soc_enum hpr_enum =
1268a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 2, 2, out_mux_text);
1269a91eb199SMark Brown 
1270a91eb199SMark Brown static const struct snd_kcontrol_new hpr_mux =
1271a91eb199SMark Brown 	SOC_DAPM_ENUM("HPR Mux", hpr_enum);
1272a91eb199SMark Brown 
1273a91eb199SMark Brown static const struct soc_enum linel_enum =
1274a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 1, 2, out_mux_text);
1275a91eb199SMark Brown 
1276a91eb199SMark Brown static const struct snd_kcontrol_new linel_mux =
1277a91eb199SMark Brown 	SOC_DAPM_ENUM("LINEL Mux", linel_enum);
1278a91eb199SMark Brown 
1279a91eb199SMark Brown static const struct soc_enum liner_enum =
1280a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text);
1281a91eb199SMark Brown 
1282a91eb199SMark Brown static const struct snd_kcontrol_new liner_mux =
1283a91eb199SMark Brown 	SOC_DAPM_ENUM("LINEL Mux", liner_enum);
1284a91eb199SMark Brown 
1285a91eb199SMark Brown static const char *sidetone_text[] = {
1286a91eb199SMark Brown 	"None", "Left", "Right"
1287a91eb199SMark Brown };
1288a91eb199SMark Brown 
1289a91eb199SMark Brown static const struct soc_enum dacl_sidetone_enum =
1290a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 2, 3, sidetone_text);
1291a91eb199SMark Brown 
1292a91eb199SMark Brown static const struct snd_kcontrol_new dacl_sidetone_mux =
1293a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Sidetone Mux", dacl_sidetone_enum);
1294a91eb199SMark Brown 
1295a91eb199SMark Brown static const struct soc_enum dacr_sidetone_enum =
1296a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 0, 3, sidetone_text);
1297a91eb199SMark Brown 
1298a91eb199SMark Brown static const struct snd_kcontrol_new dacr_sidetone_mux =
1299a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Sidetone Mux", dacr_sidetone_enum);
1300a91eb199SMark Brown 
1301a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dapm_widgets[] = {
1302a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Class G", WM8904_CLASS_W_0, 0, 1, NULL, 0),
1303a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0),
1304a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0),
1305a91eb199SMark Brown 
1306a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &dacl_sidetone_mux),
1307a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &dacr_sidetone_mux),
1308a91eb199SMark Brown 
1309a91eb199SMark Brown SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
1310a91eb199SMark Brown SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
1311a91eb199SMark Brown SND_SOC_DAPM_MUX("LINEL Mux", SND_SOC_NOPM, 0, 0, &linel_mux),
1312a91eb199SMark Brown SND_SOC_DAPM_MUX("LINER Mux", SND_SOC_NOPM, 0, 0, &liner_mux),
1313a91eb199SMark Brown };
1314a91eb199SMark Brown 
1315a91eb199SMark Brown static const struct snd_soc_dapm_route core_intercon[] = {
1316a91eb199SMark Brown 	{ "CLK_DSP", NULL, "SYSCLK" },
1317a91eb199SMark Brown 	{ "TOCLK", NULL, "SYSCLK" },
1318a91eb199SMark Brown };
1319a91eb199SMark Brown 
1320a91eb199SMark Brown static const struct snd_soc_dapm_route adc_intercon[] = {
1321a91eb199SMark Brown 	{ "Left Capture Mux", "IN1L", "IN1L" },
1322a91eb199SMark Brown 	{ "Left Capture Mux", "IN2L", "IN2L" },
1323a91eb199SMark Brown 	{ "Left Capture Mux", "IN3L", "IN3L" },
1324a91eb199SMark Brown 
1325a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN1L", "IN1L" },
1326a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN2L", "IN2L" },
1327a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN3L", "IN3L" },
1328a91eb199SMark Brown 
1329a91eb199SMark Brown 	{ "Right Capture Mux", "IN1R", "IN1R" },
1330a91eb199SMark Brown 	{ "Right Capture Mux", "IN2R", "IN2R" },
1331a91eb199SMark Brown 	{ "Right Capture Mux", "IN3R", "IN3R" },
1332a91eb199SMark Brown 
1333a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN1R", "IN1R" },
1334a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN2R", "IN2R" },
1335a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN3R", "IN3R" },
1336a91eb199SMark Brown 
1337a91eb199SMark Brown 	{ "Left Capture PGA", NULL, "Left Capture Mux" },
1338a91eb199SMark Brown 	{ "Left Capture PGA", NULL, "Left Capture Inverting Mux" },
1339a91eb199SMark Brown 
1340a91eb199SMark Brown 	{ "Right Capture PGA", NULL, "Right Capture Mux" },
1341a91eb199SMark Brown 	{ "Right Capture PGA", NULL, "Right Capture Inverting Mux" },
1342a91eb199SMark Brown 
1343a91eb199SMark Brown 	{ "AIFOUTL", "Left",  "ADCL" },
1344a91eb199SMark Brown 	{ "AIFOUTL", "Right", "ADCR" },
1345a91eb199SMark Brown 	{ "AIFOUTR", "Left",  "ADCL" },
1346a91eb199SMark Brown 	{ "AIFOUTR", "Right", "ADCR" },
1347a91eb199SMark Brown 
1348a91eb199SMark Brown 	{ "ADCL", NULL, "CLK_DSP" },
1349a91eb199SMark Brown 	{ "ADCL", NULL, "Left Capture PGA" },
1350a91eb199SMark Brown 
1351a91eb199SMark Brown 	{ "ADCR", NULL, "CLK_DSP" },
1352a91eb199SMark Brown 	{ "ADCR", NULL, "Right Capture PGA" },
1353a91eb199SMark Brown };
1354a91eb199SMark Brown 
1355a91eb199SMark Brown static const struct snd_soc_dapm_route dac_intercon[] = {
1356a91eb199SMark Brown 	{ "DACL", "Right", "AIFINR" },
1357a91eb199SMark Brown 	{ "DACL", "Left",  "AIFINL" },
1358a91eb199SMark Brown 	{ "DACL", NULL, "CLK_DSP" },
1359a91eb199SMark Brown 
1360a91eb199SMark Brown 	{ "DACR", "Right", "AIFINR" },
1361a91eb199SMark Brown 	{ "DACR", "Left",  "AIFINL" },
1362a91eb199SMark Brown 	{ "DACR", NULL, "CLK_DSP" },
1363a91eb199SMark Brown 
1364a91eb199SMark Brown 	{ "Charge pump", NULL, "SYSCLK" },
1365a91eb199SMark Brown 
1366a91eb199SMark Brown 	{ "Headphone Output", NULL, "HPL PGA" },
1367a91eb199SMark Brown 	{ "Headphone Output", NULL, "HPR PGA" },
1368a91eb199SMark Brown 	{ "Headphone Output", NULL, "Charge pump" },
1369a91eb199SMark Brown 	{ "Headphone Output", NULL, "TOCLK" },
1370a91eb199SMark Brown 
1371a91eb199SMark Brown 	{ "Line Output", NULL, "LINEL PGA" },
1372a91eb199SMark Brown 	{ "Line Output", NULL, "LINER PGA" },
1373a91eb199SMark Brown 	{ "Line Output", NULL, "Charge pump" },
1374a91eb199SMark Brown 	{ "Line Output", NULL, "TOCLK" },
1375a91eb199SMark Brown 
1376a91eb199SMark Brown 	{ "HPOUTL", NULL, "Headphone Output" },
1377a91eb199SMark Brown 	{ "HPOUTR", NULL, "Headphone Output" },
1378a91eb199SMark Brown 
1379a91eb199SMark Brown 	{ "LINEOUTL", NULL, "Line Output" },
1380a91eb199SMark Brown 	{ "LINEOUTR", NULL, "Line Output" },
1381a91eb199SMark Brown };
1382a91eb199SMark Brown 
1383a91eb199SMark Brown static const struct snd_soc_dapm_route wm8904_intercon[] = {
1384a91eb199SMark Brown 	{ "Left Sidetone", "Left", "ADCL" },
1385a91eb199SMark Brown 	{ "Left Sidetone", "Right", "ADCR" },
1386a91eb199SMark Brown 	{ "DACL", NULL, "Left Sidetone" },
1387a91eb199SMark Brown 
1388a91eb199SMark Brown 	{ "Right Sidetone", "Left", "ADCL" },
1389a91eb199SMark Brown 	{ "Right Sidetone", "Right", "ADCR" },
1390a91eb199SMark Brown 	{ "DACR", NULL, "Right Sidetone" },
1391a91eb199SMark Brown 
1392a91eb199SMark Brown 	{ "Left Bypass", NULL, "Class G" },
1393a91eb199SMark Brown 	{ "Left Bypass", NULL, "Left Capture PGA" },
1394a91eb199SMark Brown 
1395a91eb199SMark Brown 	{ "Right Bypass", NULL, "Class G" },
1396a91eb199SMark Brown 	{ "Right Bypass", NULL, "Right Capture PGA" },
1397a91eb199SMark Brown 
1398a91eb199SMark Brown 	{ "HPL Mux", "DAC", "DACL" },
1399a91eb199SMark Brown 	{ "HPL Mux", "Bypass", "Left Bypass" },
1400a91eb199SMark Brown 
1401a91eb199SMark Brown 	{ "HPR Mux", "DAC", "DACR" },
1402a91eb199SMark Brown 	{ "HPR Mux", "Bypass", "Right Bypass" },
1403a91eb199SMark Brown 
1404a91eb199SMark Brown 	{ "LINEL Mux", "DAC", "DACL" },
1405a91eb199SMark Brown 	{ "LINEL Mux", "Bypass", "Left Bypass" },
1406a91eb199SMark Brown 
1407a91eb199SMark Brown 	{ "LINER Mux", "DAC", "DACR" },
1408a91eb199SMark Brown 	{ "LINER Mux", "Bypass", "Right Bypass" },
1409a91eb199SMark Brown 
1410a91eb199SMark Brown 	{ "HPL PGA", NULL, "HPL Mux" },
1411a91eb199SMark Brown 	{ "HPR PGA", NULL, "HPR Mux" },
1412a91eb199SMark Brown 
1413a91eb199SMark Brown 	{ "LINEL PGA", NULL, "LINEL Mux" },
1414a91eb199SMark Brown 	{ "LINER PGA", NULL, "LINER Mux" },
1415a91eb199SMark Brown };
1416a91eb199SMark Brown 
14178c126474SMark Brown static const struct snd_soc_dapm_route wm8912_intercon[] = {
14188c126474SMark Brown 	{ "HPL PGA", NULL, "DACL" },
14198c126474SMark Brown 	{ "HPR PGA", NULL, "DACR" },
14208c126474SMark Brown 
14218c126474SMark Brown 	{ "LINEL PGA", NULL, "DACL" },
14228c126474SMark Brown 	{ "LINER PGA", NULL, "DACR" },
14238c126474SMark Brown };
14248c126474SMark Brown 
1425a91eb199SMark Brown static int wm8904_add_widgets(struct snd_soc_codec *codec)
1426a91eb199SMark Brown {
1427b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1428ce6120ccSLiam Girdwood 	struct snd_soc_dapm_context *dapm = &codec->dapm;
14298c126474SMark Brown 
1430ce6120ccSLiam Girdwood 	snd_soc_dapm_new_controls(dapm, wm8904_core_dapm_widgets,
14318c126474SMark Brown 				  ARRAY_SIZE(wm8904_core_dapm_widgets));
1432ce6120ccSLiam Girdwood 	snd_soc_dapm_add_routes(dapm, core_intercon,
14338c126474SMark Brown 				ARRAY_SIZE(core_intercon));
14348c126474SMark Brown 
14358c126474SMark Brown 	switch (wm8904->devtype) {
14368c126474SMark Brown 	case WM8904:
1437a91eb199SMark Brown 		snd_soc_add_controls(codec, wm8904_adc_snd_controls,
1438a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_adc_snd_controls));
1439a91eb199SMark Brown 		snd_soc_add_controls(codec, wm8904_dac_snd_controls,
1440a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_dac_snd_controls));
1441a91eb199SMark Brown 		snd_soc_add_controls(codec, wm8904_snd_controls,
1442a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_snd_controls));
1443a91eb199SMark Brown 
1444ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_adc_dapm_widgets,
1445a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_adc_dapm_widgets));
1446ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets,
1447a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_dac_dapm_widgets));
1448ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dapm_widgets,
1449a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_dapm_widgets));
1450a91eb199SMark Brown 
1451ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, core_intercon,
1452a91eb199SMark Brown 					ARRAY_SIZE(core_intercon));
1453ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, adc_intercon,
14548c126474SMark Brown 					ARRAY_SIZE(adc_intercon));
1455ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, dac_intercon,
14568c126474SMark Brown 					ARRAY_SIZE(dac_intercon));
1457ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, wm8904_intercon,
1458a91eb199SMark Brown 					ARRAY_SIZE(wm8904_intercon));
14598c126474SMark Brown 		break;
14608c126474SMark Brown 
14618c126474SMark Brown 	case WM8912:
14628c126474SMark Brown 		snd_soc_add_controls(codec, wm8904_dac_snd_controls,
14638c126474SMark Brown 				     ARRAY_SIZE(wm8904_dac_snd_controls));
14648c126474SMark Brown 
1465ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets,
14668c126474SMark Brown 					  ARRAY_SIZE(wm8904_dac_dapm_widgets));
14678c126474SMark Brown 
1468ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, dac_intercon,
14698c126474SMark Brown 					ARRAY_SIZE(dac_intercon));
1470ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, wm8912_intercon,
14718c126474SMark Brown 					ARRAY_SIZE(wm8912_intercon));
14728c126474SMark Brown 		break;
14738c126474SMark Brown 	}
1474a91eb199SMark Brown 
1475ce6120ccSLiam Girdwood 	snd_soc_dapm_new_widgets(dapm);
1476a91eb199SMark Brown 	return 0;
1477a91eb199SMark Brown }
1478a91eb199SMark Brown 
1479a91eb199SMark Brown static struct {
1480a91eb199SMark Brown 	int ratio;
1481a91eb199SMark Brown 	unsigned int clk_sys_rate;
1482a91eb199SMark Brown } clk_sys_rates[] = {
1483a91eb199SMark Brown 	{   64,  0 },
1484a91eb199SMark Brown 	{  128,  1 },
1485a91eb199SMark Brown 	{  192,  2 },
1486a91eb199SMark Brown 	{  256,  3 },
1487a91eb199SMark Brown 	{  384,  4 },
1488a91eb199SMark Brown 	{  512,  5 },
1489a91eb199SMark Brown 	{  786,  6 },
1490a91eb199SMark Brown 	{ 1024,  7 },
1491a91eb199SMark Brown 	{ 1408,  8 },
1492a91eb199SMark Brown 	{ 1536,  9 },
1493a91eb199SMark Brown };
1494a91eb199SMark Brown 
1495a91eb199SMark Brown static struct {
1496a91eb199SMark Brown 	int rate;
1497a91eb199SMark Brown 	int sample_rate;
1498a91eb199SMark Brown } sample_rates[] = {
1499a91eb199SMark Brown 	{ 8000,  0  },
1500a91eb199SMark Brown 	{ 11025, 1  },
1501a91eb199SMark Brown 	{ 12000, 1  },
1502a91eb199SMark Brown 	{ 16000, 2  },
1503a91eb199SMark Brown 	{ 22050, 3  },
1504a91eb199SMark Brown 	{ 24000, 3  },
1505a91eb199SMark Brown 	{ 32000, 4  },
1506a91eb199SMark Brown 	{ 44100, 5  },
1507a91eb199SMark Brown 	{ 48000, 5  },
1508a91eb199SMark Brown };
1509a91eb199SMark Brown 
1510a91eb199SMark Brown static struct {
1511a91eb199SMark Brown 	int div; /* *10 due to .5s */
1512a91eb199SMark Brown 	int bclk_div;
1513a91eb199SMark Brown } bclk_divs[] = {
1514a91eb199SMark Brown 	{ 10,  0  },
1515a91eb199SMark Brown 	{ 15,  1  },
1516a91eb199SMark Brown 	{ 20,  2  },
1517a91eb199SMark Brown 	{ 30,  3  },
1518a91eb199SMark Brown 	{ 40,  4  },
1519a91eb199SMark Brown 	{ 50,  5  },
1520a91eb199SMark Brown 	{ 55,  6  },
1521a91eb199SMark Brown 	{ 60,  7  },
1522a91eb199SMark Brown 	{ 80,  8  },
1523a91eb199SMark Brown 	{ 100, 9  },
1524a91eb199SMark Brown 	{ 110, 10 },
1525a91eb199SMark Brown 	{ 120, 11 },
1526a91eb199SMark Brown 	{ 160, 12 },
1527a91eb199SMark Brown 	{ 200, 13 },
1528a91eb199SMark Brown 	{ 220, 14 },
1529a91eb199SMark Brown 	{ 240, 16 },
1530a91eb199SMark Brown 	{ 200, 17 },
1531a91eb199SMark Brown 	{ 320, 18 },
1532a91eb199SMark Brown 	{ 440, 19 },
1533a91eb199SMark Brown 	{ 480, 20 },
1534a91eb199SMark Brown };
1535a91eb199SMark Brown 
1536a91eb199SMark Brown 
1537a91eb199SMark Brown static int wm8904_hw_params(struct snd_pcm_substream *substream,
1538a91eb199SMark Brown 			    struct snd_pcm_hw_params *params,
1539a91eb199SMark Brown 			    struct snd_soc_dai *dai)
1540a91eb199SMark Brown {
1541a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1542b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1543a91eb199SMark Brown 	int ret, i, best, best_val, cur_val;
1544a91eb199SMark Brown 	unsigned int aif1 = 0;
1545a91eb199SMark Brown 	unsigned int aif2 = 0;
1546a91eb199SMark Brown 	unsigned int aif3 = 0;
1547a91eb199SMark Brown 	unsigned int clock1 = 0;
1548a91eb199SMark Brown 	unsigned int dac_digital1 = 0;
1549a91eb199SMark Brown 
1550a91eb199SMark Brown 	/* What BCLK do we need? */
1551a91eb199SMark Brown 	wm8904->fs = params_rate(params);
1552a91eb199SMark Brown 	if (wm8904->tdm_slots) {
1553a91eb199SMark Brown 		dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n",
1554a91eb199SMark Brown 			wm8904->tdm_slots, wm8904->tdm_width);
1555a91eb199SMark Brown 		wm8904->bclk = snd_soc_calc_bclk(wm8904->fs,
1556a91eb199SMark Brown 						 wm8904->tdm_width, 2,
1557a91eb199SMark Brown 						 wm8904->tdm_slots);
1558a91eb199SMark Brown 	} else {
1559a91eb199SMark Brown 		wm8904->bclk = snd_soc_params_to_bclk(params);
1560a91eb199SMark Brown 	}
1561a91eb199SMark Brown 
156256927eb0SMark Brown 	switch (params_format(params)) {
156356927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S16_LE:
156456927eb0SMark Brown 		break;
156556927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S20_3LE:
156656927eb0SMark Brown 		aif1 |= 0x40;
156756927eb0SMark Brown 		break;
156856927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S24_LE:
156956927eb0SMark Brown 		aif1 |= 0x80;
157056927eb0SMark Brown 		break;
157156927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S32_LE:
157256927eb0SMark Brown 		aif1 |= 0xc0;
157356927eb0SMark Brown 		break;
157456927eb0SMark Brown 	default:
157556927eb0SMark Brown 		return -EINVAL;
157656927eb0SMark Brown 	}
157756927eb0SMark Brown 
157856927eb0SMark Brown 
1579a91eb199SMark Brown 	dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8904->bclk);
1580a91eb199SMark Brown 
1581a91eb199SMark Brown 	ret = wm8904_configure_clocking(codec);
1582a91eb199SMark Brown 	if (ret != 0)
1583a91eb199SMark Brown 		return ret;
1584a91eb199SMark Brown 
1585a91eb199SMark Brown 	/* Select nearest CLK_SYS_RATE */
1586a91eb199SMark Brown 	best = 0;
1587a91eb199SMark Brown 	best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio)
1588a91eb199SMark Brown 		       - wm8904->fs);
1589a91eb199SMark Brown 	for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) {
1590a91eb199SMark Brown 		cur_val = abs((wm8904->sysclk_rate /
1591ef995e3aSJoe Perches 			       clk_sys_rates[i].ratio) - wm8904->fs);
1592a91eb199SMark Brown 		if (cur_val < best_val) {
1593a91eb199SMark Brown 			best = i;
1594a91eb199SMark Brown 			best_val = cur_val;
1595a91eb199SMark Brown 		}
1596a91eb199SMark Brown 	}
1597a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n",
1598a91eb199SMark Brown 		clk_sys_rates[best].ratio);
1599a91eb199SMark Brown 	clock1 |= (clk_sys_rates[best].clk_sys_rate
1600a91eb199SMark Brown 		   << WM8904_CLK_SYS_RATE_SHIFT);
1601a91eb199SMark Brown 
1602a91eb199SMark Brown 	/* SAMPLE_RATE */
1603a91eb199SMark Brown 	best = 0;
1604a91eb199SMark Brown 	best_val = abs(wm8904->fs - sample_rates[0].rate);
1605a91eb199SMark Brown 	for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1606a91eb199SMark Brown 		/* Closest match */
1607a91eb199SMark Brown 		cur_val = abs(wm8904->fs - sample_rates[i].rate);
1608a91eb199SMark Brown 		if (cur_val < best_val) {
1609a91eb199SMark Brown 			best = i;
1610a91eb199SMark Brown 			best_val = cur_val;
1611a91eb199SMark Brown 		}
1612a91eb199SMark Brown 	}
1613a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n",
1614a91eb199SMark Brown 		sample_rates[best].rate);
1615a91eb199SMark Brown 	clock1 |= (sample_rates[best].sample_rate
1616a91eb199SMark Brown 		   << WM8904_SAMPLE_RATE_SHIFT);
1617a91eb199SMark Brown 
1618a91eb199SMark Brown 	/* Enable sloping stopband filter for low sample rates */
1619a91eb199SMark Brown 	if (wm8904->fs <= 24000)
1620a91eb199SMark Brown 		dac_digital1 |= WM8904_DAC_SB_FILT;
1621a91eb199SMark Brown 
1622a91eb199SMark Brown 	/* BCLK_DIV */
1623a91eb199SMark Brown 	best = 0;
1624a91eb199SMark Brown 	best_val = INT_MAX;
1625a91eb199SMark Brown 	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1626a91eb199SMark Brown 		cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div)
1627a91eb199SMark Brown 			- wm8904->bclk;
1628a91eb199SMark Brown 		if (cur_val < 0) /* Table is sorted */
1629a91eb199SMark Brown 			break;
1630a91eb199SMark Brown 		if (cur_val < best_val) {
1631a91eb199SMark Brown 			best = i;
1632a91eb199SMark Brown 			best_val = cur_val;
1633a91eb199SMark Brown 		}
1634a91eb199SMark Brown 	}
1635a91eb199SMark Brown 	wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div;
1636a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n",
1637a91eb199SMark Brown 		bclk_divs[best].div, wm8904->bclk);
1638a91eb199SMark Brown 	aif2 |= bclk_divs[best].bclk_div;
1639a91eb199SMark Brown 
1640a91eb199SMark Brown 	/* LRCLK is a simple fraction of BCLK */
1641a91eb199SMark Brown 	dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs);
1642a91eb199SMark Brown 	aif3 |= wm8904->bclk / wm8904->fs;
1643a91eb199SMark Brown 
1644a91eb199SMark Brown 	/* Apply the settings */
1645a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1,
1646a91eb199SMark Brown 			    WM8904_DAC_SB_FILT, dac_digital1);
1647a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1648a91eb199SMark Brown 			    WM8904_AIF_WL_MASK, aif1);
1649a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_2,
1650a91eb199SMark Brown 			    WM8904_BCLK_DIV_MASK, aif2);
1651a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3,
1652a91eb199SMark Brown 			    WM8904_LRCLK_RATE_MASK, aif3);
1653a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_1,
1654a91eb199SMark Brown 			    WM8904_SAMPLE_RATE_MASK |
1655a91eb199SMark Brown 			    WM8904_CLK_SYS_RATE_MASK, clock1);
1656a91eb199SMark Brown 
1657a91eb199SMark Brown 	/* Update filters for the new settings */
1658a91eb199SMark Brown 	wm8904_set_retune_mobile(codec);
1659a91eb199SMark Brown 	wm8904_set_deemph(codec);
1660a91eb199SMark Brown 
1661a91eb199SMark Brown 	return 0;
1662a91eb199SMark Brown }
1663a91eb199SMark Brown 
1664a91eb199SMark Brown 
1665a91eb199SMark Brown static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id,
1666a91eb199SMark Brown 			     unsigned int freq, int dir)
1667a91eb199SMark Brown {
1668a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1669b2c812e2SMark Brown 	struct wm8904_priv *priv = snd_soc_codec_get_drvdata(codec);
1670a91eb199SMark Brown 
1671a91eb199SMark Brown 	switch (clk_id) {
1672a91eb199SMark Brown 	case WM8904_CLK_MCLK:
1673a91eb199SMark Brown 		priv->sysclk_src = clk_id;
1674a91eb199SMark Brown 		priv->mclk_rate = freq;
1675a91eb199SMark Brown 		break;
1676a91eb199SMark Brown 
1677a91eb199SMark Brown 	case WM8904_CLK_FLL:
1678a91eb199SMark Brown 		priv->sysclk_src = clk_id;
1679a91eb199SMark Brown 		break;
1680a91eb199SMark Brown 
1681a91eb199SMark Brown 	default:
1682a91eb199SMark Brown 		return -EINVAL;
1683a91eb199SMark Brown 	}
1684a91eb199SMark Brown 
1685a91eb199SMark Brown 	dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1686a91eb199SMark Brown 
1687a91eb199SMark Brown 	wm8904_configure_clocking(codec);
1688a91eb199SMark Brown 
1689a91eb199SMark Brown 	return 0;
1690a91eb199SMark Brown }
1691a91eb199SMark Brown 
1692a91eb199SMark Brown static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1693a91eb199SMark Brown {
1694a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1695a91eb199SMark Brown 	unsigned int aif1 = 0;
1696a91eb199SMark Brown 	unsigned int aif3 = 0;
1697a91eb199SMark Brown 
1698a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1699a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBS_CFS:
1700a91eb199SMark Brown 		break;
1701a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBS_CFM:
1702a91eb199SMark Brown 		aif3 |= WM8904_LRCLK_DIR;
1703a91eb199SMark Brown 		break;
1704a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBM_CFS:
1705a91eb199SMark Brown 		aif1 |= WM8904_BCLK_DIR;
1706a91eb199SMark Brown 		break;
1707a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBM_CFM:
1708a91eb199SMark Brown 		aif1 |= WM8904_BCLK_DIR;
1709a91eb199SMark Brown 		aif3 |= WM8904_LRCLK_DIR;
1710a91eb199SMark Brown 		break;
1711a91eb199SMark Brown 	default:
1712a91eb199SMark Brown 		return -EINVAL;
1713a91eb199SMark Brown 	}
1714a91eb199SMark Brown 
1715a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1716a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_B:
1717a91eb199SMark Brown 		aif1 |= WM8904_AIF_LRCLK_INV;
1718a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_A:
1719a91eb199SMark Brown 		aif1 |= 0x3;
1720a91eb199SMark Brown 		break;
1721a91eb199SMark Brown 	case SND_SOC_DAIFMT_I2S:
1722a91eb199SMark Brown 		aif1 |= 0x2;
1723a91eb199SMark Brown 		break;
1724a91eb199SMark Brown 	case SND_SOC_DAIFMT_RIGHT_J:
1725a91eb199SMark Brown 		break;
1726a91eb199SMark Brown 	case SND_SOC_DAIFMT_LEFT_J:
1727a91eb199SMark Brown 		aif1 |= 0x1;
1728a91eb199SMark Brown 		break;
1729a91eb199SMark Brown 	default:
1730a91eb199SMark Brown 		return -EINVAL;
1731a91eb199SMark Brown 	}
1732a91eb199SMark Brown 
1733a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1734a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_A:
1735a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_B:
1736a91eb199SMark Brown 		/* frame inversion not valid for DSP modes */
1737a91eb199SMark Brown 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1738a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_NF:
1739a91eb199SMark Brown 			break;
1740a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_NF:
1741a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV;
1742a91eb199SMark Brown 			break;
1743a91eb199SMark Brown 		default:
1744a91eb199SMark Brown 			return -EINVAL;
1745a91eb199SMark Brown 		}
1746a91eb199SMark Brown 		break;
1747a91eb199SMark Brown 
1748a91eb199SMark Brown 	case SND_SOC_DAIFMT_I2S:
1749a91eb199SMark Brown 	case SND_SOC_DAIFMT_RIGHT_J:
1750a91eb199SMark Brown 	case SND_SOC_DAIFMT_LEFT_J:
1751a91eb199SMark Brown 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1752a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_NF:
1753a91eb199SMark Brown 			break;
1754a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_IF:
1755a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV;
1756a91eb199SMark Brown 			break;
1757a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_NF:
1758a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV;
1759a91eb199SMark Brown 			break;
1760a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_IF:
1761a91eb199SMark Brown 			aif1 |= WM8904_AIF_LRCLK_INV;
1762a91eb199SMark Brown 			break;
1763a91eb199SMark Brown 		default:
1764a91eb199SMark Brown 			return -EINVAL;
1765a91eb199SMark Brown 		}
1766a91eb199SMark Brown 		break;
1767a91eb199SMark Brown 	default:
1768a91eb199SMark Brown 		return -EINVAL;
1769a91eb199SMark Brown 	}
1770a91eb199SMark Brown 
1771a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1772a91eb199SMark Brown 			    WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV |
1773a91eb199SMark Brown 			    WM8904_AIF_FMT_MASK | WM8904_BCLK_DIR, aif1);
1774a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3,
1775a91eb199SMark Brown 			    WM8904_LRCLK_DIR, aif3);
1776a91eb199SMark Brown 
1777a91eb199SMark Brown 	return 0;
1778a91eb199SMark Brown }
1779a91eb199SMark Brown 
1780a91eb199SMark Brown 
1781a91eb199SMark Brown static int wm8904_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1782a91eb199SMark Brown 			       unsigned int rx_mask, int slots, int slot_width)
1783a91eb199SMark Brown {
1784a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1785b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1786a91eb199SMark Brown 	int aif1 = 0;
1787a91eb199SMark Brown 
1788a91eb199SMark Brown 	/* Don't need to validate anything if we're turning off TDM */
1789a91eb199SMark Brown 	if (slots == 0)
1790a91eb199SMark Brown 		goto out;
1791a91eb199SMark Brown 
1792a91eb199SMark Brown 	/* Note that we allow configurations we can't handle ourselves -
1793a91eb199SMark Brown 	 * for example, we can generate clocks for slots 2 and up even if
1794a91eb199SMark Brown 	 * we can't use those slots ourselves.
1795a91eb199SMark Brown 	 */
1796a91eb199SMark Brown 	aif1 |= WM8904_AIFADC_TDM | WM8904_AIFDAC_TDM;
1797a91eb199SMark Brown 
1798a91eb199SMark Brown 	switch (rx_mask) {
1799a91eb199SMark Brown 	case 3:
1800a91eb199SMark Brown 		break;
1801a91eb199SMark Brown 	case 0xc:
1802a91eb199SMark Brown 		aif1 |= WM8904_AIFADC_TDM_CHAN;
1803a91eb199SMark Brown 		break;
1804a91eb199SMark Brown 	default:
1805a91eb199SMark Brown 		return -EINVAL;
1806a91eb199SMark Brown 	}
1807a91eb199SMark Brown 
1808a91eb199SMark Brown 
1809a91eb199SMark Brown 	switch (tx_mask) {
1810a91eb199SMark Brown 	case 3:
1811a91eb199SMark Brown 		break;
1812a91eb199SMark Brown 	case 0xc:
1813a91eb199SMark Brown 		aif1 |= WM8904_AIFDAC_TDM_CHAN;
1814a91eb199SMark Brown 		break;
1815a91eb199SMark Brown 	default:
1816a91eb199SMark Brown 		return -EINVAL;
1817a91eb199SMark Brown 	}
1818a91eb199SMark Brown 
1819a91eb199SMark Brown out:
1820a91eb199SMark Brown 	wm8904->tdm_width = slot_width;
1821a91eb199SMark Brown 	wm8904->tdm_slots = slots / 2;
1822a91eb199SMark Brown 
1823a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1824a91eb199SMark Brown 			    WM8904_AIFADC_TDM | WM8904_AIFADC_TDM_CHAN |
1825a91eb199SMark Brown 			    WM8904_AIFDAC_TDM | WM8904_AIFDAC_TDM_CHAN, aif1);
1826a91eb199SMark Brown 
1827a91eb199SMark Brown 	return 0;
1828a91eb199SMark Brown }
1829a91eb199SMark Brown 
1830a91eb199SMark Brown struct _fll_div {
1831a91eb199SMark Brown 	u16 fll_fratio;
1832a91eb199SMark Brown 	u16 fll_outdiv;
1833a91eb199SMark Brown 	u16 fll_clk_ref_div;
1834a91eb199SMark Brown 	u16 n;
1835a91eb199SMark Brown 	u16 k;
1836a91eb199SMark Brown };
1837a91eb199SMark Brown 
1838a91eb199SMark Brown /* The size in bits of the FLL divide multiplied by 10
1839a91eb199SMark Brown  * to allow rounding later */
1840a91eb199SMark Brown #define FIXED_FLL_SIZE ((1 << 16) * 10)
1841a91eb199SMark Brown 
1842a91eb199SMark Brown static struct {
1843a91eb199SMark Brown 	unsigned int min;
1844a91eb199SMark Brown 	unsigned int max;
1845a91eb199SMark Brown 	u16 fll_fratio;
1846a91eb199SMark Brown 	int ratio;
1847a91eb199SMark Brown } fll_fratios[] = {
1848a91eb199SMark Brown 	{       0,    64000, 4, 16 },
1849a91eb199SMark Brown 	{   64000,   128000, 3,  8 },
1850a91eb199SMark Brown 	{  128000,   256000, 2,  4 },
1851a91eb199SMark Brown 	{  256000,  1000000, 1,  2 },
1852a91eb199SMark Brown 	{ 1000000, 13500000, 0,  1 },
1853a91eb199SMark Brown };
1854a91eb199SMark Brown 
1855a91eb199SMark Brown static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1856a91eb199SMark Brown 		       unsigned int Fout)
1857a91eb199SMark Brown {
1858a91eb199SMark Brown 	u64 Kpart;
1859a91eb199SMark Brown 	unsigned int K, Ndiv, Nmod, target;
1860a91eb199SMark Brown 	unsigned int div;
1861a91eb199SMark Brown 	int i;
1862a91eb199SMark Brown 
1863a91eb199SMark Brown 	/* Fref must be <=13.5MHz */
1864a91eb199SMark Brown 	div = 1;
1865a91eb199SMark Brown 	fll_div->fll_clk_ref_div = 0;
1866a91eb199SMark Brown 	while ((Fref / div) > 13500000) {
1867a91eb199SMark Brown 		div *= 2;
1868a91eb199SMark Brown 		fll_div->fll_clk_ref_div++;
1869a91eb199SMark Brown 
1870a91eb199SMark Brown 		if (div > 8) {
1871a91eb199SMark Brown 			pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1872a91eb199SMark Brown 			       Fref);
1873a91eb199SMark Brown 			return -EINVAL;
1874a91eb199SMark Brown 		}
1875a91eb199SMark Brown 	}
1876a91eb199SMark Brown 
1877a91eb199SMark Brown 	pr_debug("Fref=%u Fout=%u\n", Fref, Fout);
1878a91eb199SMark Brown 
1879a91eb199SMark Brown 	/* Apply the division for our remaining calculations */
1880a91eb199SMark Brown 	Fref /= div;
1881a91eb199SMark Brown 
1882a91eb199SMark Brown 	/* Fvco should be 90-100MHz; don't check the upper bound */
1883a91eb199SMark Brown 	div = 4;
1884a91eb199SMark Brown 	while (Fout * div < 90000000) {
1885a91eb199SMark Brown 		div++;
1886a91eb199SMark Brown 		if (div > 64) {
1887a91eb199SMark Brown 			pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1888a91eb199SMark Brown 			       Fout);
1889a91eb199SMark Brown 			return -EINVAL;
1890a91eb199SMark Brown 		}
1891a91eb199SMark Brown 	}
1892a91eb199SMark Brown 	target = Fout * div;
1893a91eb199SMark Brown 	fll_div->fll_outdiv = div - 1;
1894a91eb199SMark Brown 
1895a91eb199SMark Brown 	pr_debug("Fvco=%dHz\n", target);
1896a91eb199SMark Brown 
189725985edcSLucas De Marchi 	/* Find an appropriate FLL_FRATIO and factor it out of the target */
1898a91eb199SMark Brown 	for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1899a91eb199SMark Brown 		if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1900a91eb199SMark Brown 			fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1901a91eb199SMark Brown 			target /= fll_fratios[i].ratio;
1902a91eb199SMark Brown 			break;
1903a91eb199SMark Brown 		}
1904a91eb199SMark Brown 	}
1905a91eb199SMark Brown 	if (i == ARRAY_SIZE(fll_fratios)) {
1906a91eb199SMark Brown 		pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1907a91eb199SMark Brown 		return -EINVAL;
1908a91eb199SMark Brown 	}
1909a91eb199SMark Brown 
1910a91eb199SMark Brown 	/* Now, calculate N.K */
1911a91eb199SMark Brown 	Ndiv = target / Fref;
1912a91eb199SMark Brown 
1913a91eb199SMark Brown 	fll_div->n = Ndiv;
1914a91eb199SMark Brown 	Nmod = target % Fref;
1915a91eb199SMark Brown 	pr_debug("Nmod=%d\n", Nmod);
1916a91eb199SMark Brown 
1917a91eb199SMark Brown 	/* Calculate fractional part - scale up so we can round. */
1918a91eb199SMark Brown 	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1919a91eb199SMark Brown 
1920a91eb199SMark Brown 	do_div(Kpart, Fref);
1921a91eb199SMark Brown 
1922a91eb199SMark Brown 	K = Kpart & 0xFFFFFFFF;
1923a91eb199SMark Brown 
1924a91eb199SMark Brown 	if ((K % 10) >= 5)
1925a91eb199SMark Brown 		K += 5;
1926a91eb199SMark Brown 
1927a91eb199SMark Brown 	/* Move down to proper range now rounding is done */
1928a91eb199SMark Brown 	fll_div->k = K / 10;
1929a91eb199SMark Brown 
1930a91eb199SMark Brown 	pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n",
1931a91eb199SMark Brown 		 fll_div->n, fll_div->k,
1932a91eb199SMark Brown 		 fll_div->fll_fratio, fll_div->fll_outdiv,
1933a91eb199SMark Brown 		 fll_div->fll_clk_ref_div);
1934a91eb199SMark Brown 
1935a91eb199SMark Brown 	return 0;
1936a91eb199SMark Brown }
1937a91eb199SMark Brown 
1938a91eb199SMark Brown static int wm8904_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
1939a91eb199SMark Brown 			  unsigned int Fref, unsigned int Fout)
1940a91eb199SMark Brown {
1941a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1942b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1943a91eb199SMark Brown 	struct _fll_div fll_div;
1944a91eb199SMark Brown 	int ret, val;
1945a91eb199SMark Brown 	int clock2, fll1;
1946a91eb199SMark Brown 
1947a91eb199SMark Brown 	/* Any change? */
1948a91eb199SMark Brown 	if (source == wm8904->fll_src && Fref == wm8904->fll_fref &&
1949a91eb199SMark Brown 	    Fout == wm8904->fll_fout)
1950a91eb199SMark Brown 		return 0;
1951a91eb199SMark Brown 
195218240b67SMark Brown 	clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2);
195318240b67SMark Brown 
1954a91eb199SMark Brown 	if (Fout == 0) {
1955a91eb199SMark Brown 		dev_dbg(codec->dev, "FLL disabled\n");
1956a91eb199SMark Brown 
1957a91eb199SMark Brown 		wm8904->fll_fref = 0;
1958a91eb199SMark Brown 		wm8904->fll_fout = 0;
1959a91eb199SMark Brown 
1960a91eb199SMark Brown 		/* Gate SYSCLK to avoid glitches */
1961a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
1962a91eb199SMark Brown 				    WM8904_CLK_SYS_ENA, 0);
1963a91eb199SMark Brown 
1964a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1965a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
1966a91eb199SMark Brown 
1967a91eb199SMark Brown 		goto out;
1968a91eb199SMark Brown 	}
1969a91eb199SMark Brown 
1970a91eb199SMark Brown 	/* Validate the FLL ID */
1971a91eb199SMark Brown 	switch (source) {
1972a91eb199SMark Brown 	case WM8904_FLL_MCLK:
1973a91eb199SMark Brown 	case WM8904_FLL_LRCLK:
1974a91eb199SMark Brown 	case WM8904_FLL_BCLK:
1975a91eb199SMark Brown 		ret = fll_factors(&fll_div, Fref, Fout);
1976a91eb199SMark Brown 		if (ret != 0)
1977a91eb199SMark Brown 			return ret;
1978a91eb199SMark Brown 		break;
1979a91eb199SMark Brown 
1980a91eb199SMark Brown 	case WM8904_FLL_FREE_RUNNING:
1981a91eb199SMark Brown 		dev_dbg(codec->dev, "Using free running FLL\n");
1982a91eb199SMark Brown 		/* Force 12MHz and output/4 for now */
1983a91eb199SMark Brown 		Fout = 12000000;
1984a91eb199SMark Brown 		Fref = 12000000;
1985a91eb199SMark Brown 
1986a91eb199SMark Brown 		memset(&fll_div, 0, sizeof(fll_div));
1987a91eb199SMark Brown 		fll_div.fll_outdiv = 3;
1988a91eb199SMark Brown 		break;
1989a91eb199SMark Brown 
1990a91eb199SMark Brown 	default:
1991a91eb199SMark Brown 		dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id);
1992a91eb199SMark Brown 		return -EINVAL;
1993a91eb199SMark Brown 	}
1994a91eb199SMark Brown 
1995a91eb199SMark Brown 	/* Save current state then disable the FLL and SYSCLK to avoid
1996a91eb199SMark Brown 	 * misclocking */
1997a91eb199SMark Brown 	fll1 = snd_soc_read(codec, WM8904_FLL_CONTROL_1);
1998a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
1999a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA, 0);
2000a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
2001a91eb199SMark Brown 			    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
2002a91eb199SMark Brown 
2003a91eb199SMark Brown 	/* Unlock forced oscilator control to switch it on/off */
2004a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1,
2005a91eb199SMark Brown 			    WM8904_USER_KEY, WM8904_USER_KEY);
2006a91eb199SMark Brown 
2007a91eb199SMark Brown 	if (fll_id == WM8904_FLL_FREE_RUNNING) {
2008a91eb199SMark Brown 		val = WM8904_FLL_FRC_NCO;
2009a91eb199SMark Brown 	} else {
2010a91eb199SMark Brown 		val = 0;
2011a91eb199SMark Brown 	}
2012a91eb199SMark Brown 
2013a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_NCO_TEST_1, WM8904_FLL_FRC_NCO,
2014a91eb199SMark Brown 			    val);
2015a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1,
2016a91eb199SMark Brown 			    WM8904_USER_KEY, 0);
2017a91eb199SMark Brown 
2018a91eb199SMark Brown 	switch (fll_id) {
2019a91eb199SMark Brown 	case WM8904_FLL_MCLK:
2020a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
2021a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 0);
2022a91eb199SMark Brown 		break;
2023a91eb199SMark Brown 
2024a91eb199SMark Brown 	case WM8904_FLL_LRCLK:
2025a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
2026a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 1);
2027a91eb199SMark Brown 		break;
2028a91eb199SMark Brown 
2029a91eb199SMark Brown 	case WM8904_FLL_BCLK:
2030a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
2031a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 2);
2032a91eb199SMark Brown 		break;
2033a91eb199SMark Brown 	}
2034a91eb199SMark Brown 
2035a91eb199SMark Brown 	if (fll_div.k)
2036a91eb199SMark Brown 		val = WM8904_FLL_FRACN_ENA;
2037a91eb199SMark Brown 	else
2038a91eb199SMark Brown 		val = 0;
2039a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
2040a91eb199SMark Brown 			    WM8904_FLL_FRACN_ENA, val);
2041a91eb199SMark Brown 
2042a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_2,
2043a91eb199SMark Brown 			    WM8904_FLL_OUTDIV_MASK | WM8904_FLL_FRATIO_MASK,
2044a91eb199SMark Brown 			    (fll_div.fll_outdiv << WM8904_FLL_OUTDIV_SHIFT) |
2045a91eb199SMark Brown 			    (fll_div.fll_fratio << WM8904_FLL_FRATIO_SHIFT));
2046a91eb199SMark Brown 
2047a91eb199SMark Brown 	snd_soc_write(codec, WM8904_FLL_CONTROL_3, fll_div.k);
2048a91eb199SMark Brown 
2049a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_4, WM8904_FLL_N_MASK,
2050a91eb199SMark Brown 			    fll_div.n << WM8904_FLL_N_SHIFT);
2051a91eb199SMark Brown 
2052a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
2053a91eb199SMark Brown 			    WM8904_FLL_CLK_REF_DIV_MASK,
2054a91eb199SMark Brown 			    fll_div.fll_clk_ref_div
2055a91eb199SMark Brown 			    << WM8904_FLL_CLK_REF_DIV_SHIFT);
2056a91eb199SMark Brown 
2057a91eb199SMark Brown 	dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2058a91eb199SMark Brown 
2059a91eb199SMark Brown 	wm8904->fll_fref = Fref;
2060a91eb199SMark Brown 	wm8904->fll_fout = Fout;
2061a91eb199SMark Brown 	wm8904->fll_src = source;
2062a91eb199SMark Brown 
2063a91eb199SMark Brown 	/* Enable the FLL if it was previously active */
2064a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
2065a91eb199SMark Brown 			    WM8904_FLL_OSC_ENA, fll1);
2066a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
2067a91eb199SMark Brown 			    WM8904_FLL_ENA, fll1);
2068a91eb199SMark Brown 
2069a91eb199SMark Brown out:
2070a91eb199SMark Brown 	/* Reenable SYSCLK if it was previously active */
2071a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
2072a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA, clock2);
2073a91eb199SMark Brown 
2074a91eb199SMark Brown 	return 0;
2075a91eb199SMark Brown }
2076a91eb199SMark Brown 
2077a91eb199SMark Brown static int wm8904_digital_mute(struct snd_soc_dai *codec_dai, int mute)
2078a91eb199SMark Brown {
2079a91eb199SMark Brown 	struct snd_soc_codec *codec = codec_dai->codec;
2080a91eb199SMark Brown 	int val;
2081a91eb199SMark Brown 
2082a91eb199SMark Brown 	if (mute)
2083a91eb199SMark Brown 		val = WM8904_DAC_MUTE;
2084a91eb199SMark Brown 	else
2085a91eb199SMark Brown 		val = 0;
2086a91eb199SMark Brown 
2087a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val);
2088a91eb199SMark Brown 
2089a91eb199SMark Brown 	return 0;
2090a91eb199SMark Brown }
2091a91eb199SMark Brown 
2092c1334218SMark Brown static void wm8904_sync_cache(struct snd_soc_codec *codec)
2093c1334218SMark Brown {
2094f578a188SLars-Peter Clausen 	u16 *reg_cache = codec->reg_cache;
2095c1334218SMark Brown 	int i;
2096c1334218SMark Brown 
2097c1334218SMark Brown 	if (!codec->cache_sync)
2098c1334218SMark Brown 		return;
2099c1334218SMark Brown 
2100c1334218SMark Brown 	codec->cache_only = 0;
2101c1334218SMark Brown 
2102c1334218SMark Brown 	/* Sync back cached values if they're different from the
2103c1334218SMark Brown 	 * hardware default.
2104c1334218SMark Brown 	 */
2105f578a188SLars-Peter Clausen 	for (i = 1; i < codec->driver->reg_cache_size; i++) {
2106c1334218SMark Brown 		if (!wm8904_access[i].writable)
2107c1334218SMark Brown 			continue;
2108c1334218SMark Brown 
2109f578a188SLars-Peter Clausen 		if (reg_cache[i] == wm8904_reg[i])
2110c1334218SMark Brown 			continue;
2111c1334218SMark Brown 
2112f578a188SLars-Peter Clausen 		snd_soc_write(codec, i, reg_cache[i]);
2113c1334218SMark Brown 	}
2114c1334218SMark Brown 
2115c1334218SMark Brown 	codec->cache_sync = 0;
2116c1334218SMark Brown }
2117c1334218SMark Brown 
2118a91eb199SMark Brown static int wm8904_set_bias_level(struct snd_soc_codec *codec,
2119a91eb199SMark Brown 				 enum snd_soc_bias_level level)
2120a91eb199SMark Brown {
2121b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2122c1334218SMark Brown 	int ret;
2123a91eb199SMark Brown 
2124a91eb199SMark Brown 	switch (level) {
2125a91eb199SMark Brown 	case SND_SOC_BIAS_ON:
2126a91eb199SMark Brown 		break;
2127a91eb199SMark Brown 
2128a91eb199SMark Brown 	case SND_SOC_BIAS_PREPARE:
2129a91eb199SMark Brown 		/* VMID resistance 2*50k */
2130a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
2131a91eb199SMark Brown 				    WM8904_VMID_RES_MASK,
2132a91eb199SMark Brown 				    0x1 << WM8904_VMID_RES_SHIFT);
2133a91eb199SMark Brown 
2134a91eb199SMark Brown 		/* Normal bias current */
2135a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2136a91eb199SMark Brown 				    WM8904_ISEL_MASK, 2 << WM8904_ISEL_SHIFT);
2137a91eb199SMark Brown 		break;
2138a91eb199SMark Brown 
2139a91eb199SMark Brown 	case SND_SOC_BIAS_STANDBY:
2140ce6120ccSLiam Girdwood 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
2141a91eb199SMark Brown 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),
2142a91eb199SMark Brown 						    wm8904->supplies);
2143a91eb199SMark Brown 			if (ret != 0) {
2144a91eb199SMark Brown 				dev_err(codec->dev,
2145a91eb199SMark Brown 					"Failed to enable supplies: %d\n",
2146a91eb199SMark Brown 					ret);
2147a91eb199SMark Brown 				return ret;
2148a91eb199SMark Brown 			}
2149a91eb199SMark Brown 
2150c1334218SMark Brown 			wm8904_sync_cache(codec);
2151a91eb199SMark Brown 
2152a91eb199SMark Brown 			/* Enable bias */
2153a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2154a91eb199SMark Brown 					    WM8904_BIAS_ENA, WM8904_BIAS_ENA);
2155a91eb199SMark Brown 
2156a91eb199SMark Brown 			/* Enable VMID, VMID buffering, 2*5k resistance */
2157a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
2158a91eb199SMark Brown 					    WM8904_VMID_ENA |
2159a91eb199SMark Brown 					    WM8904_VMID_RES_MASK,
2160a91eb199SMark Brown 					    WM8904_VMID_ENA |
2161a91eb199SMark Brown 					    0x3 << WM8904_VMID_RES_SHIFT);
2162a91eb199SMark Brown 
2163a91eb199SMark Brown 			/* Let VMID ramp */
2164a91eb199SMark Brown 			msleep(1);
2165a91eb199SMark Brown 		}
2166a91eb199SMark Brown 
2167a91eb199SMark Brown 		/* Maintain VMID with 2*250k */
2168a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
2169a91eb199SMark Brown 				    WM8904_VMID_RES_MASK,
2170a91eb199SMark Brown 				    0x2 << WM8904_VMID_RES_SHIFT);
2171a91eb199SMark Brown 
2172a91eb199SMark Brown 		/* Bias current *0.5 */
2173a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2174a91eb199SMark Brown 				    WM8904_ISEL_MASK, 0);
2175a91eb199SMark Brown 		break;
2176a91eb199SMark Brown 
2177a91eb199SMark Brown 	case SND_SOC_BIAS_OFF:
2178a91eb199SMark Brown 		/* Turn off VMID */
2179a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
2180a91eb199SMark Brown 				    WM8904_VMID_RES_MASK | WM8904_VMID_ENA, 0);
2181a91eb199SMark Brown 
2182a91eb199SMark Brown 		/* Stop bias generation */
2183a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2184a91eb199SMark Brown 				    WM8904_BIAS_ENA, 0);
2185a91eb199SMark Brown 
2186c1334218SMark Brown #ifdef CONFIG_REGULATOR
2187c1334218SMark Brown 		/* Post 2.6.34 we will be able to get a callback when
2188c1334218SMark Brown 		 * the regulators are disabled which we can use but
2189c1334218SMark Brown 		 * for now just assume that the power will be cut if
2190c1334218SMark Brown 		 * the regulator API is in use.
2191c1334218SMark Brown 		 */
2192c1334218SMark Brown 		codec->cache_sync = 1;
2193c1334218SMark Brown #endif
2194c1334218SMark Brown 
2195a91eb199SMark Brown 		regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies),
2196a91eb199SMark Brown 				       wm8904->supplies);
2197a91eb199SMark Brown 		break;
2198a91eb199SMark Brown 	}
2199ce6120ccSLiam Girdwood 	codec->dapm.bias_level = level;
2200a91eb199SMark Brown 	return 0;
2201a91eb199SMark Brown }
2202a91eb199SMark Brown 
2203a91eb199SMark Brown #define WM8904_RATES SNDRV_PCM_RATE_8000_96000
2204a91eb199SMark Brown 
2205a91eb199SMark Brown #define WM8904_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2206a91eb199SMark Brown 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2207a91eb199SMark Brown 
2208a91eb199SMark Brown static struct snd_soc_dai_ops wm8904_dai_ops = {
2209a91eb199SMark Brown 	.set_sysclk = wm8904_set_sysclk,
2210a91eb199SMark Brown 	.set_fmt = wm8904_set_fmt,
2211a91eb199SMark Brown 	.set_tdm_slot = wm8904_set_tdm_slot,
2212a91eb199SMark Brown 	.set_pll = wm8904_set_fll,
2213a91eb199SMark Brown 	.hw_params = wm8904_hw_params,
2214a91eb199SMark Brown 	.digital_mute = wm8904_digital_mute,
2215a91eb199SMark Brown };
2216a91eb199SMark Brown 
2217f0fba2adSLiam Girdwood static struct snd_soc_dai_driver wm8904_dai = {
2218f0fba2adSLiam Girdwood 	.name = "wm8904-hifi",
2219a91eb199SMark Brown 	.playback = {
2220a91eb199SMark Brown 		.stream_name = "Playback",
2221a91eb199SMark Brown 		.channels_min = 2,
2222a91eb199SMark Brown 		.channels_max = 2,
2223a91eb199SMark Brown 		.rates = WM8904_RATES,
2224a91eb199SMark Brown 		.formats = WM8904_FORMATS,
2225a91eb199SMark Brown 	},
2226a91eb199SMark Brown 	.capture = {
2227a91eb199SMark Brown 		.stream_name = "Capture",
2228a91eb199SMark Brown 		.channels_min = 2,
2229a91eb199SMark Brown 		.channels_max = 2,
2230a91eb199SMark Brown 		.rates = WM8904_RATES,
2231a91eb199SMark Brown 		.formats = WM8904_FORMATS,
2232a91eb199SMark Brown 	},
2233a91eb199SMark Brown 	.ops = &wm8904_dai_ops,
2234a91eb199SMark Brown 	.symmetric_rates = 1,
2235a91eb199SMark Brown };
2236a91eb199SMark Brown 
2237a91eb199SMark Brown #ifdef CONFIG_PM
2238f0fba2adSLiam Girdwood static int wm8904_suspend(struct snd_soc_codec *codec, pm_message_t state)
2239a91eb199SMark Brown {
2240a91eb199SMark Brown 	wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF);
2241a91eb199SMark Brown 
2242a91eb199SMark Brown 	return 0;
2243a91eb199SMark Brown }
2244a91eb199SMark Brown 
2245f0fba2adSLiam Girdwood static int wm8904_resume(struct snd_soc_codec *codec)
2246a91eb199SMark Brown {
2247a91eb199SMark Brown 	wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2248a91eb199SMark Brown 
2249a91eb199SMark Brown 	return 0;
2250a91eb199SMark Brown }
2251a91eb199SMark Brown #else
2252a91eb199SMark Brown #define wm8904_suspend NULL
2253a91eb199SMark Brown #define wm8904_resume NULL
2254a91eb199SMark Brown #endif
2255a91eb199SMark Brown 
2256f0fba2adSLiam Girdwood static void wm8904_handle_retune_mobile_pdata(struct snd_soc_codec *codec)
2257a91eb199SMark Brown {
2258f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2259a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
2260a91eb199SMark Brown 	struct snd_kcontrol_new control =
2261a91eb199SMark Brown 		SOC_ENUM_EXT("EQ Mode",
2262a91eb199SMark Brown 			     wm8904->retune_mobile_enum,
2263a91eb199SMark Brown 			     wm8904_get_retune_mobile_enum,
2264a91eb199SMark Brown 			     wm8904_put_retune_mobile_enum);
2265a91eb199SMark Brown 	int ret, i, j;
2266a91eb199SMark Brown 	const char **t;
2267a91eb199SMark Brown 
2268a91eb199SMark Brown 	/* We need an array of texts for the enum API but the number
2269a91eb199SMark Brown 	 * of texts is likely to be less than the number of
2270a91eb199SMark Brown 	 * configurations due to the sample rate dependency of the
2271a91eb199SMark Brown 	 * configurations. */
2272a91eb199SMark Brown 	wm8904->num_retune_mobile_texts = 0;
2273a91eb199SMark Brown 	wm8904->retune_mobile_texts = NULL;
2274a91eb199SMark Brown 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2275a91eb199SMark Brown 		for (j = 0; j < wm8904->num_retune_mobile_texts; j++) {
2276a91eb199SMark Brown 			if (strcmp(pdata->retune_mobile_cfgs[i].name,
2277a91eb199SMark Brown 				   wm8904->retune_mobile_texts[j]) == 0)
2278a91eb199SMark Brown 				break;
2279a91eb199SMark Brown 		}
2280a91eb199SMark Brown 
2281a91eb199SMark Brown 		if (j != wm8904->num_retune_mobile_texts)
2282a91eb199SMark Brown 			continue;
2283a91eb199SMark Brown 
2284a91eb199SMark Brown 		/* Expand the array... */
2285a91eb199SMark Brown 		t = krealloc(wm8904->retune_mobile_texts,
2286a91eb199SMark Brown 			     sizeof(char *) *
2287a91eb199SMark Brown 			     (wm8904->num_retune_mobile_texts + 1),
2288a91eb199SMark Brown 			     GFP_KERNEL);
2289a91eb199SMark Brown 		if (t == NULL)
2290a91eb199SMark Brown 			continue;
2291a91eb199SMark Brown 
2292a91eb199SMark Brown 		/* ...store the new entry... */
2293a91eb199SMark Brown 		t[wm8904->num_retune_mobile_texts] =
2294a91eb199SMark Brown 			pdata->retune_mobile_cfgs[i].name;
2295a91eb199SMark Brown 
2296a91eb199SMark Brown 		/* ...and remember the new version. */
2297a91eb199SMark Brown 		wm8904->num_retune_mobile_texts++;
2298a91eb199SMark Brown 		wm8904->retune_mobile_texts = t;
2299a91eb199SMark Brown 	}
2300a91eb199SMark Brown 
2301a91eb199SMark Brown 	dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2302a91eb199SMark Brown 		wm8904->num_retune_mobile_texts);
2303a91eb199SMark Brown 
2304a91eb199SMark Brown 	wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts;
2305a91eb199SMark Brown 	wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts;
2306a91eb199SMark Brown 
2307f0fba2adSLiam Girdwood 	ret = snd_soc_add_controls(codec, &control, 1);
2308a91eb199SMark Brown 	if (ret != 0)
2309f0fba2adSLiam Girdwood 		dev_err(codec->dev,
2310a91eb199SMark Brown 			"Failed to add ReTune Mobile control: %d\n", ret);
2311a91eb199SMark Brown }
2312a91eb199SMark Brown 
2313f0fba2adSLiam Girdwood static void wm8904_handle_pdata(struct snd_soc_codec *codec)
2314a91eb199SMark Brown {
2315f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2316a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
2317a91eb199SMark Brown 	int ret, i;
2318a91eb199SMark Brown 
2319a91eb199SMark Brown 	if (!pdata) {
2320f0fba2adSLiam Girdwood 		snd_soc_add_controls(codec, wm8904_eq_controls,
2321a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_eq_controls));
2322a91eb199SMark Brown 		return;
2323a91eb199SMark Brown 	}
2324a91eb199SMark Brown 
2325a91eb199SMark Brown 	dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
2326a91eb199SMark Brown 
2327a91eb199SMark Brown 	if (pdata->num_drc_cfgs) {
2328a91eb199SMark Brown 		struct snd_kcontrol_new control =
2329a91eb199SMark Brown 			SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum,
2330a91eb199SMark Brown 				     wm8904_get_drc_enum, wm8904_put_drc_enum);
2331a91eb199SMark Brown 
2332a91eb199SMark Brown 		/* We need an array of texts for the enum API */
2333a91eb199SMark Brown 		wm8904->drc_texts = kmalloc(sizeof(char *)
2334a91eb199SMark Brown 					    * pdata->num_drc_cfgs, GFP_KERNEL);
2335a91eb199SMark Brown 		if (!wm8904->drc_texts) {
2336f0fba2adSLiam Girdwood 			dev_err(codec->dev,
2337a91eb199SMark Brown 				"Failed to allocate %d DRC config texts\n",
2338a91eb199SMark Brown 				pdata->num_drc_cfgs);
2339a91eb199SMark Brown 			return;
2340a91eb199SMark Brown 		}
2341a91eb199SMark Brown 
2342a91eb199SMark Brown 		for (i = 0; i < pdata->num_drc_cfgs; i++)
2343a91eb199SMark Brown 			wm8904->drc_texts[i] = pdata->drc_cfgs[i].name;
2344a91eb199SMark Brown 
2345a91eb199SMark Brown 		wm8904->drc_enum.max = pdata->num_drc_cfgs;
2346a91eb199SMark Brown 		wm8904->drc_enum.texts = wm8904->drc_texts;
2347a91eb199SMark Brown 
2348f0fba2adSLiam Girdwood 		ret = snd_soc_add_controls(codec, &control, 1);
2349a91eb199SMark Brown 		if (ret != 0)
2350f0fba2adSLiam Girdwood 			dev_err(codec->dev,
2351a91eb199SMark Brown 				"Failed to add DRC mode control: %d\n", ret);
2352a91eb199SMark Brown 
2353a91eb199SMark Brown 		wm8904_set_drc(codec);
2354a91eb199SMark Brown 	}
2355a91eb199SMark Brown 
2356a91eb199SMark Brown 	dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
2357a91eb199SMark Brown 		pdata->num_retune_mobile_cfgs);
2358a91eb199SMark Brown 
2359a91eb199SMark Brown 	if (pdata->num_retune_mobile_cfgs)
2360f0fba2adSLiam Girdwood 		wm8904_handle_retune_mobile_pdata(codec);
2361a91eb199SMark Brown 	else
2362f0fba2adSLiam Girdwood 		snd_soc_add_controls(codec, wm8904_eq_controls,
2363a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_eq_controls));
2364a91eb199SMark Brown }
2365a91eb199SMark Brown 
2366f0fba2adSLiam Girdwood 
2367f0fba2adSLiam Girdwood static int wm8904_probe(struct snd_soc_codec *codec)
2368a91eb199SMark Brown {
2369f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2370cdce4e9bSMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
2371f578a188SLars-Peter Clausen 	u16 *reg_cache = codec->reg_cache;
2372f0fba2adSLiam Girdwood 	int ret, i;
2373a91eb199SMark Brown 
2374c1334218SMark Brown 	codec->cache_sync = 1;
2375ce6120ccSLiam Girdwood 	codec->dapm.idle_bias_off = 1;
2376a91eb199SMark Brown 
23778c126474SMark Brown 	switch (wm8904->devtype) {
23788c126474SMark Brown 	case WM8904:
23798c126474SMark Brown 		break;
23808c126474SMark Brown 	case WM8912:
23818c126474SMark Brown 		memset(&wm8904_dai.capture, 0, sizeof(wm8904_dai.capture));
23828c126474SMark Brown 		break;
23838c126474SMark Brown 	default:
23848c126474SMark Brown 		dev_err(codec->dev, "Unknown device type %d\n",
23858c126474SMark Brown 			wm8904->devtype);
2386f0fba2adSLiam Girdwood 		return -EINVAL;
23878c126474SMark Brown 	}
23888c126474SMark Brown 
2389f0fba2adSLiam Girdwood 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
2390a91eb199SMark Brown 	if (ret != 0) {
2391a91eb199SMark Brown 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2392f0fba2adSLiam Girdwood 		return ret;
2393a91eb199SMark Brown 	}
2394a91eb199SMark Brown 
2395a91eb199SMark Brown 	for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++)
2396a91eb199SMark Brown 		wm8904->supplies[i].supply = wm8904_supply_names[i];
2397a91eb199SMark Brown 
2398a91eb199SMark Brown 	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8904->supplies),
2399a91eb199SMark Brown 				 wm8904->supplies);
2400a91eb199SMark Brown 	if (ret != 0) {
2401a91eb199SMark Brown 		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
2402f0fba2adSLiam Girdwood 		return ret;
2403a91eb199SMark Brown 	}
2404a91eb199SMark Brown 
2405a91eb199SMark Brown 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),
2406a91eb199SMark Brown 				    wm8904->supplies);
2407a91eb199SMark Brown 	if (ret != 0) {
2408a91eb199SMark Brown 		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
2409a91eb199SMark Brown 		goto err_get;
2410a91eb199SMark Brown 	}
2411a91eb199SMark Brown 
2412a91eb199SMark Brown 	ret = snd_soc_read(codec, WM8904_SW_RESET_AND_ID);
2413a91eb199SMark Brown 	if (ret < 0) {
2414a91eb199SMark Brown 		dev_err(codec->dev, "Failed to read ID register\n");
2415a91eb199SMark Brown 		goto err_enable;
2416a91eb199SMark Brown 	}
2417a91eb199SMark Brown 	if (ret != wm8904_reg[WM8904_SW_RESET_AND_ID]) {
2418a91eb199SMark Brown 		dev_err(codec->dev, "Device is not a WM8904, ID is %x\n", ret);
2419a91eb199SMark Brown 		ret = -EINVAL;
2420a91eb199SMark Brown 		goto err_enable;
2421a91eb199SMark Brown 	}
2422a91eb199SMark Brown 
2423a91eb199SMark Brown 	ret = snd_soc_read(codec, WM8904_REVISION);
2424a91eb199SMark Brown 	if (ret < 0) {
2425a91eb199SMark Brown 		dev_err(codec->dev, "Failed to read device revision: %d\n",
2426a91eb199SMark Brown 			ret);
2427a91eb199SMark Brown 		goto err_enable;
2428a91eb199SMark Brown 	}
2429a91eb199SMark Brown 	dev_info(codec->dev, "revision %c\n", ret + 'A');
2430a91eb199SMark Brown 
2431a91eb199SMark Brown 	ret = wm8904_reset(codec);
2432a91eb199SMark Brown 	if (ret < 0) {
2433a91eb199SMark Brown 		dev_err(codec->dev, "Failed to issue reset\n");
2434a91eb199SMark Brown 		goto err_enable;
2435a91eb199SMark Brown 	}
2436a91eb199SMark Brown 
2437a91eb199SMark Brown 	/* Change some default settings - latch VU and enable ZC */
2438a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_LEFT,
2439a1b3b5eeSMark Brown 			    WM8904_ADC_VU, WM8904_ADC_VU);
2440a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_RIGHT,
2441a1b3b5eeSMark Brown 			    WM8904_ADC_VU, WM8904_ADC_VU);
2442a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_LEFT,
2443a1b3b5eeSMark Brown 			    WM8904_DAC_VU, WM8904_DAC_VU);
2444a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_RIGHT,
2445a1b3b5eeSMark Brown 			    WM8904_DAC_VU, WM8904_DAC_VU);
2446a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_LEFT,
2447a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTLZC,
2448a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTLZC);
2449a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_RIGHT,
2450a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTRZC,
2451a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTRZC);
2452a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_LEFT,
2453a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTLZC,
2454a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTLZC);
2455a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_RIGHT,
2456a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTRZC,
2457a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTRZC);
2458a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0,
2459a1b3b5eeSMark Brown 			    WM8904_SR_MODE, 0);
2460a91eb199SMark Brown 
2461cdce4e9bSMark Brown 	/* Apply configuration from the platform data. */
2462cdce4e9bSMark Brown 	if (wm8904->pdata) {
2463cdce4e9bSMark Brown 		for (i = 0; i < WM8904_GPIO_REGS; i++) {
2464cdce4e9bSMark Brown 			if (!pdata->gpio_cfg[i])
2465cdce4e9bSMark Brown 				continue;
2466cdce4e9bSMark Brown 
2467f578a188SLars-Peter Clausen 			reg_cache[WM8904_GPIO_CONTROL_1 + i]
2468cdce4e9bSMark Brown 				= pdata->gpio_cfg[i] & 0xffff;
2469cdce4e9bSMark Brown 		}
2470fbc2dae8SMark Brown 
2471fbc2dae8SMark Brown 		/* Zero is the default value for these anyway */
2472fbc2dae8SMark Brown 		for (i = 0; i < WM8904_MIC_REGS; i++)
2473f578a188SLars-Peter Clausen 			reg_cache[WM8904_MIC_BIAS_CONTROL_0 + i]
2474fbc2dae8SMark Brown 				= pdata->mic_cfg[i];
2475cdce4e9bSMark Brown 	}
2476cdce4e9bSMark Brown 
2477a91eb199SMark Brown 	/* Set Class W by default - this will be managed by the Class
2478a91eb199SMark Brown 	 * G widget at runtime where bypass paths are available.
2479a91eb199SMark Brown 	 */
2480a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_CLASS_W_0,
2481a1b3b5eeSMark Brown 			    WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR);
2482a91eb199SMark Brown 
2483a91eb199SMark Brown 	/* Use normal bias source */
2484a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2485a1b3b5eeSMark Brown 			    WM8904_POBCTRL, 0);
2486a91eb199SMark Brown 
2487a91eb199SMark Brown 	wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2488a91eb199SMark Brown 
2489a91eb199SMark Brown 	/* Bias level configuration will have done an extra enable */
2490a91eb199SMark Brown 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2491a91eb199SMark Brown 
2492f0fba2adSLiam Girdwood 	wm8904_handle_pdata(codec);
2493a91eb199SMark Brown 
2494f0fba2adSLiam Girdwood 	wm8904_add_widgets(codec);
2495a91eb199SMark Brown 
2496a91eb199SMark Brown 	return 0;
2497a91eb199SMark Brown 
2498a91eb199SMark Brown err_enable:
2499a91eb199SMark Brown 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2500a91eb199SMark Brown err_get:
2501a91eb199SMark Brown 	regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2502a91eb199SMark Brown 	return ret;
2503a91eb199SMark Brown }
2504a91eb199SMark Brown 
2505f0fba2adSLiam Girdwood static int wm8904_remove(struct snd_soc_codec *codec)
2506a91eb199SMark Brown {
2507f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2508f0fba2adSLiam Girdwood 
2509f0fba2adSLiam Girdwood 	wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF);
2510a91eb199SMark Brown 	regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2511cd70978cSAxel Lin 	kfree(wm8904->retune_mobile_texts);
2512cd70978cSAxel Lin 	kfree(wm8904->drc_texts);
2513f0fba2adSLiam Girdwood 
2514f0fba2adSLiam Girdwood 	return 0;
2515a91eb199SMark Brown }
2516a91eb199SMark Brown 
2517f0fba2adSLiam Girdwood static struct snd_soc_codec_driver soc_codec_dev_wm8904 = {
2518f0fba2adSLiam Girdwood 	.probe =	wm8904_probe,
2519f0fba2adSLiam Girdwood 	.remove =	wm8904_remove,
2520f0fba2adSLiam Girdwood 	.suspend =	wm8904_suspend,
2521f0fba2adSLiam Girdwood 	.resume =	wm8904_resume,
2522f0fba2adSLiam Girdwood 	.set_bias_level = wm8904_set_bias_level,
2523f0fba2adSLiam Girdwood 	.reg_cache_size = ARRAY_SIZE(wm8904_reg),
2524f0fba2adSLiam Girdwood 	.reg_word_size = sizeof(u16),
2525f0fba2adSLiam Girdwood 	.reg_cache_default = wm8904_reg,
2526f0fba2adSLiam Girdwood 	.volatile_register = wm8904_volatile_register,
2527f0fba2adSLiam Girdwood };
2528f0fba2adSLiam Girdwood 
2529a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2530a91eb199SMark Brown static __devinit int wm8904_i2c_probe(struct i2c_client *i2c,
2531a91eb199SMark Brown 				      const struct i2c_device_id *id)
2532a91eb199SMark Brown {
2533a91eb199SMark Brown 	struct wm8904_priv *wm8904;
2534f0fba2adSLiam Girdwood 	int ret;
2535a91eb199SMark Brown 
2536a91eb199SMark Brown 	wm8904 = kzalloc(sizeof(struct wm8904_priv), GFP_KERNEL);
2537a91eb199SMark Brown 	if (wm8904 == NULL)
2538a91eb199SMark Brown 		return -ENOMEM;
2539a91eb199SMark Brown 
25408c126474SMark Brown 	wm8904->devtype = id->driver_data;
2541a91eb199SMark Brown 	i2c_set_clientdata(i2c, wm8904);
2542a91eb199SMark Brown 	wm8904->pdata = i2c->dev.platform_data;
2543a91eb199SMark Brown 
2544f0fba2adSLiam Girdwood 	ret = snd_soc_register_codec(&i2c->dev,
2545f0fba2adSLiam Girdwood 			&soc_codec_dev_wm8904, &wm8904_dai, 1);
2546f0fba2adSLiam Girdwood 	if (ret < 0)
2547f0fba2adSLiam Girdwood 		kfree(wm8904);
2548f0fba2adSLiam Girdwood 	return ret;
2549a91eb199SMark Brown }
2550a91eb199SMark Brown 
2551a91eb199SMark Brown static __devexit int wm8904_i2c_remove(struct i2c_client *client)
2552a91eb199SMark Brown {
2553f0fba2adSLiam Girdwood 	snd_soc_unregister_codec(&client->dev);
2554f0fba2adSLiam Girdwood 	kfree(i2c_get_clientdata(client));
2555a91eb199SMark Brown 	return 0;
2556a91eb199SMark Brown }
2557a91eb199SMark Brown 
2558a91eb199SMark Brown static const struct i2c_device_id wm8904_i2c_id[] = {
25598c126474SMark Brown 	{ "wm8904", WM8904 },
25608c126474SMark Brown 	{ "wm8912", WM8912 },
2561df1553c8SMark Brown 	{ "wm8918", WM8904 },   /* Actually a subset, updates to follow */
2562a91eb199SMark Brown 	{ }
2563a91eb199SMark Brown };
2564a91eb199SMark Brown MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id);
2565a91eb199SMark Brown 
2566a91eb199SMark Brown static struct i2c_driver wm8904_i2c_driver = {
2567a91eb199SMark Brown 	.driver = {
2568f0fba2adSLiam Girdwood 		.name = "wm8904-codec",
2569a91eb199SMark Brown 		.owner = THIS_MODULE,
2570a91eb199SMark Brown 	},
2571a91eb199SMark Brown 	.probe =    wm8904_i2c_probe,
2572a91eb199SMark Brown 	.remove =   __devexit_p(wm8904_i2c_remove),
2573a91eb199SMark Brown 	.id_table = wm8904_i2c_id,
2574a91eb199SMark Brown };
2575a91eb199SMark Brown #endif
2576a91eb199SMark Brown 
2577a91eb199SMark Brown static int __init wm8904_modinit(void)
2578a91eb199SMark Brown {
2579f0fba2adSLiam Girdwood 	int ret = 0;
2580a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2581a91eb199SMark Brown 	ret = i2c_add_driver(&wm8904_i2c_driver);
2582a91eb199SMark Brown 	if (ret != 0) {
2583f0fba2adSLiam Girdwood 		printk(KERN_ERR "Failed to register wm8904 I2C driver: %d\n",
2584a91eb199SMark Brown 		       ret);
2585a91eb199SMark Brown 	}
2586a91eb199SMark Brown #endif
2587f0fba2adSLiam Girdwood 	return ret;
2588a91eb199SMark Brown }
2589a91eb199SMark Brown module_init(wm8904_modinit);
2590a91eb199SMark Brown 
2591a91eb199SMark Brown static void __exit wm8904_exit(void)
2592a91eb199SMark Brown {
2593a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2594a91eb199SMark Brown 	i2c_del_driver(&wm8904_i2c_driver);
2595a91eb199SMark Brown #endif
2596a91eb199SMark Brown }
2597a91eb199SMark Brown module_exit(wm8904_exit);
2598a91eb199SMark Brown 
2599a91eb199SMark Brown MODULE_DESCRIPTION("ASoC WM8904 driver");
2600a91eb199SMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
2601a91eb199SMark Brown MODULE_LICENSE("GPL");
2602