Commit | Line | Data |
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f1c0a02f MB |
1 | /* |
2 | * wm8903.c -- WM8903 ALSA SoC Audio driver | |
3 | * | |
4 | * Copyright 2008 Wolfson Microelectronics | |
5 | * | |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | * TODO: | |
13 | * - TDM mode configuration. | |
f1c0a02f | 14 | * - Digital microphone support. |
f1c0a02f MB |
15 | */ |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/moduleparam.h> | |
19 | #include <linux/init.h> | |
8abd16a6 | 20 | #include <linux/completion.h> |
f1c0a02f MB |
21 | #include <linux/delay.h> |
22 | #include <linux/pm.h> | |
23 | #include <linux/i2c.h> | |
24 | #include <linux/platform_device.h> | |
5a0e3ad6 | 25 | #include <linux/slab.h> |
f1c0a02f | 26 | #include <sound/core.h> |
7245387e | 27 | #include <sound/jack.h> |
f1c0a02f MB |
28 | #include <sound/pcm.h> |
29 | #include <sound/pcm_params.h> | |
30 | #include <sound/tlv.h> | |
31 | #include <sound/soc.h> | |
f1c0a02f | 32 | #include <sound/initval.h> |
8abd16a6 | 33 | #include <sound/wm8903.h> |
2bbb5d66 | 34 | #include <trace/events/asoc.h> |
f1c0a02f MB |
35 | |
36 | #include "wm8903.h" | |
37 | ||
f1c0a02f MB |
38 | /* Register defaults at reset */ |
39 | static u16 wm8903_reg_defaults[] = { | |
40 | 0x8903, /* R0 - SW Reset and ID */ | |
41 | 0x0000, /* R1 - Revision Number */ | |
42 | 0x0000, /* R2 */ | |
43 | 0x0000, /* R3 */ | |
44 | 0x0018, /* R4 - Bias Control 0 */ | |
45 | 0x0000, /* R5 - VMID Control 0 */ | |
46 | 0x0000, /* R6 - Mic Bias Control 0 */ | |
47 | 0x0000, /* R7 */ | |
48 | 0x0001, /* R8 - Analogue DAC 0 */ | |
49 | 0x0000, /* R9 */ | |
50 | 0x0001, /* R10 - Analogue ADC 0 */ | |
51 | 0x0000, /* R11 */ | |
52 | 0x0000, /* R12 - Power Management 0 */ | |
53 | 0x0000, /* R13 - Power Management 1 */ | |
54 | 0x0000, /* R14 - Power Management 2 */ | |
55 | 0x0000, /* R15 - Power Management 3 */ | |
56 | 0x0000, /* R16 - Power Management 4 */ | |
57 | 0x0000, /* R17 - Power Management 5 */ | |
58 | 0x0000, /* R18 - Power Management 6 */ | |
59 | 0x0000, /* R19 */ | |
60 | 0x0400, /* R20 - Clock Rates 0 */ | |
61 | 0x0D07, /* R21 - Clock Rates 1 */ | |
62 | 0x0000, /* R22 - Clock Rates 2 */ | |
63 | 0x0000, /* R23 */ | |
64 | 0x0050, /* R24 - Audio Interface 0 */ | |
65 | 0x0242, /* R25 - Audio Interface 1 */ | |
66 | 0x0008, /* R26 - Audio Interface 2 */ | |
67 | 0x0022, /* R27 - Audio Interface 3 */ | |
68 | 0x0000, /* R28 */ | |
69 | 0x0000, /* R29 */ | |
70 | 0x00C0, /* R30 - DAC Digital Volume Left */ | |
71 | 0x00C0, /* R31 - DAC Digital Volume Right */ | |
72 | 0x0000, /* R32 - DAC Digital 0 */ | |
73 | 0x0000, /* R33 - DAC Digital 1 */ | |
74 | 0x0000, /* R34 */ | |
75 | 0x0000, /* R35 */ | |
76 | 0x00C0, /* R36 - ADC Digital Volume Left */ | |
77 | 0x00C0, /* R37 - ADC Digital Volume Right */ | |
78 | 0x0000, /* R38 - ADC Digital 0 */ | |
79 | 0x0073, /* R39 - Digital Microphone 0 */ | |
80 | 0x09BF, /* R40 - DRC 0 */ | |
81 | 0x3241, /* R41 - DRC 1 */ | |
82 | 0x0020, /* R42 - DRC 2 */ | |
83 | 0x0000, /* R43 - DRC 3 */ | |
84 | 0x0085, /* R44 - Analogue Left Input 0 */ | |
85 | 0x0085, /* R45 - Analogue Right Input 0 */ | |
86 | 0x0044, /* R46 - Analogue Left Input 1 */ | |
87 | 0x0044, /* R47 - Analogue Right Input 1 */ | |
88 | 0x0000, /* R48 */ | |
89 | 0x0000, /* R49 */ | |
90 | 0x0008, /* R50 - Analogue Left Mix 0 */ | |
91 | 0x0004, /* R51 - Analogue Right Mix 0 */ | |
92 | 0x0000, /* R52 - Analogue Spk Mix Left 0 */ | |
93 | 0x0000, /* R53 - Analogue Spk Mix Left 1 */ | |
94 | 0x0000, /* R54 - Analogue Spk Mix Right 0 */ | |
95 | 0x0000, /* R55 - Analogue Spk Mix Right 1 */ | |
96 | 0x0000, /* R56 */ | |
97 | 0x002D, /* R57 - Analogue OUT1 Left */ | |
98 | 0x002D, /* R58 - Analogue OUT1 Right */ | |
99 | 0x0039, /* R59 - Analogue OUT2 Left */ | |
100 | 0x0039, /* R60 - Analogue OUT2 Right */ | |
101 | 0x0100, /* R61 */ | |
102 | 0x0139, /* R62 - Analogue OUT3 Left */ | |
103 | 0x0139, /* R63 - Analogue OUT3 Right */ | |
104 | 0x0000, /* R64 */ | |
105 | 0x0000, /* R65 - Analogue SPK Output Control 0 */ | |
106 | 0x0000, /* R66 */ | |
107 | 0x0010, /* R67 - DC Servo 0 */ | |
108 | 0x0100, /* R68 */ | |
109 | 0x00A4, /* R69 - DC Servo 2 */ | |
110 | 0x0807, /* R70 */ | |
111 | 0x0000, /* R71 */ | |
112 | 0x0000, /* R72 */ | |
113 | 0x0000, /* R73 */ | |
114 | 0x0000, /* R74 */ | |
115 | 0x0000, /* R75 */ | |
116 | 0x0000, /* R76 */ | |
117 | 0x0000, /* R77 */ | |
118 | 0x0000, /* R78 */ | |
119 | 0x000E, /* R79 */ | |
120 | 0x0000, /* R80 */ | |
121 | 0x0000, /* R81 */ | |
122 | 0x0000, /* R82 */ | |
123 | 0x0000, /* R83 */ | |
124 | 0x0000, /* R84 */ | |
125 | 0x0000, /* R85 */ | |
126 | 0x0000, /* R86 */ | |
127 | 0x0006, /* R87 */ | |
128 | 0x0000, /* R88 */ | |
129 | 0x0000, /* R89 */ | |
130 | 0x0000, /* R90 - Analogue HP 0 */ | |
131 | 0x0060, /* R91 */ | |
132 | 0x0000, /* R92 */ | |
133 | 0x0000, /* R93 */ | |
134 | 0x0000, /* R94 - Analogue Lineout 0 */ | |
135 | 0x0060, /* R95 */ | |
136 | 0x0000, /* R96 */ | |
137 | 0x0000, /* R97 */ | |
138 | 0x0000, /* R98 - Charge Pump 0 */ | |
139 | 0x1F25, /* R99 */ | |
140 | 0x2B19, /* R100 */ | |
141 | 0x01C0, /* R101 */ | |
142 | 0x01EF, /* R102 */ | |
143 | 0x2B00, /* R103 */ | |
144 | 0x0000, /* R104 - Class W 0 */ | |
145 | 0x01C0, /* R105 */ | |
146 | 0x1C10, /* R106 */ | |
147 | 0x0000, /* R107 */ | |
148 | 0x0000, /* R108 - Write Sequencer 0 */ | |
149 | 0x0000, /* R109 - Write Sequencer 1 */ | |
150 | 0x0000, /* R110 - Write Sequencer 2 */ | |
151 | 0x0000, /* R111 - Write Sequencer 3 */ | |
152 | 0x0000, /* R112 - Write Sequencer 4 */ | |
153 | 0x0000, /* R113 */ | |
154 | 0x0000, /* R114 - Control Interface */ | |
155 | 0x0000, /* R115 */ | |
156 | 0x00A8, /* R116 - GPIO Control 1 */ | |
157 | 0x00A8, /* R117 - GPIO Control 2 */ | |
158 | 0x00A8, /* R118 - GPIO Control 3 */ | |
159 | 0x0220, /* R119 - GPIO Control 4 */ | |
160 | 0x01A0, /* R120 - GPIO Control 5 */ | |
161 | 0x0000, /* R121 - Interrupt Status 1 */ | |
162 | 0xFFFF, /* R122 - Interrupt Status 1 Mask */ | |
163 | 0x0000, /* R123 - Interrupt Polarity 1 */ | |
164 | 0x0000, /* R124 */ | |
165 | 0x0003, /* R125 */ | |
166 | 0x0000, /* R126 - Interrupt Control */ | |
167 | 0x0000, /* R127 */ | |
168 | 0x0005, /* R128 */ | |
169 | 0x0000, /* R129 - Control Interface Test 1 */ | |
170 | 0x0000, /* R130 */ | |
171 | 0x0000, /* R131 */ | |
172 | 0x0000, /* R132 */ | |
173 | 0x0000, /* R133 */ | |
174 | 0x0000, /* R134 */ | |
175 | 0x03FF, /* R135 */ | |
176 | 0x0007, /* R136 */ | |
177 | 0x0040, /* R137 */ | |
178 | 0x0000, /* R138 */ | |
179 | 0x0000, /* R139 */ | |
180 | 0x0000, /* R140 */ | |
181 | 0x0000, /* R141 */ | |
182 | 0x0000, /* R142 */ | |
183 | 0x0000, /* R143 */ | |
184 | 0x0000, /* R144 */ | |
185 | 0x0000, /* R145 */ | |
186 | 0x0000, /* R146 */ | |
187 | 0x0000, /* R147 */ | |
188 | 0x4000, /* R148 */ | |
189 | 0x6810, /* R149 - Charge Pump Test 1 */ | |
190 | 0x0004, /* R150 */ | |
191 | 0x0000, /* R151 */ | |
192 | 0x0000, /* R152 */ | |
193 | 0x0000, /* R153 */ | |
194 | 0x0000, /* R154 */ | |
195 | 0x0000, /* R155 */ | |
196 | 0x0000, /* R156 */ | |
197 | 0x0000, /* R157 */ | |
198 | 0x0000, /* R158 */ | |
199 | 0x0000, /* R159 */ | |
200 | 0x0000, /* R160 */ | |
201 | 0x0000, /* R161 */ | |
202 | 0x0000, /* R162 */ | |
203 | 0x0000, /* R163 */ | |
204 | 0x0028, /* R164 - Clock Rate Test 4 */ | |
205 | 0x0004, /* R165 */ | |
206 | 0x0000, /* R166 */ | |
207 | 0x0060, /* R167 */ | |
208 | 0x0000, /* R168 */ | |
209 | 0x0000, /* R169 */ | |
210 | 0x0000, /* R170 */ | |
211 | 0x0000, /* R171 */ | |
212 | 0x0000, /* R172 - Analogue Output Bias 0 */ | |
213 | }; | |
214 | ||
d58d5d55 | 215 | struct wm8903_priv { |
f0fba2ad | 216 | |
d58d5d55 MB |
217 | u16 reg_cache[ARRAY_SIZE(wm8903_reg_defaults)]; |
218 | ||
219 | int sysclk; | |
f0fba2ad | 220 | int irq; |
d58d5d55 | 221 | |
69fff9bb MB |
222 | int fs; |
223 | int deemph; | |
224 | ||
f2c1fe09 | 225 | /* Reference count */ |
d58d5d55 | 226 | int class_w_users; |
d58d5d55 | 227 | |
8abd16a6 MB |
228 | struct completion wseq; |
229 | ||
7245387e MB |
230 | struct snd_soc_jack *mic_jack; |
231 | int mic_det; | |
232 | int mic_short; | |
233 | int mic_last_report; | |
234 | int mic_delay; | |
d58d5d55 MB |
235 | }; |
236 | ||
8d50e447 | 237 | static int wm8903_volatile_register(unsigned int reg) |
f1c0a02f MB |
238 | { |
239 | switch (reg) { | |
240 | case WM8903_SW_RESET_AND_ID: | |
241 | case WM8903_REVISION_NUMBER: | |
242 | case WM8903_INTERRUPT_STATUS_1: | |
243 | case WM8903_WRITE_SEQUENCER_4: | |
8d50e447 | 244 | return 1; |
f1c0a02f MB |
245 | |
246 | default: | |
f1c0a02f | 247 | return 0; |
8d50e447 | 248 | } |
f1c0a02f MB |
249 | } |
250 | ||
251 | static int wm8903_run_sequence(struct snd_soc_codec *codec, unsigned int start) | |
252 | { | |
253 | u16 reg[5]; | |
b2c812e2 | 254 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
255 | |
256 | BUG_ON(start > 48); | |
257 | ||
37f88e84 | 258 | /* Enable the sequencer if it's not already on */ |
8d50e447 | 259 | reg[0] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_0); |
37f88e84 MB |
260 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, |
261 | reg[0] | WM8903_WSEQ_ENA); | |
f1c0a02f | 262 | |
f0fba2ad | 263 | dev_dbg(codec->dev, "Starting sequence at %d\n", start); |
f1c0a02f | 264 | |
8d50e447 | 265 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_3, |
f1c0a02f MB |
266 | start | WM8903_WSEQ_START); |
267 | ||
268 | /* Wait for it to complete. If we have the interrupt wired up then | |
8abd16a6 | 269 | * that will break us out of the poll early. |
f1c0a02f MB |
270 | */ |
271 | do { | |
8abd16a6 MB |
272 | wait_for_completion_timeout(&wm8903->wseq, |
273 | msecs_to_jiffies(10)); | |
f1c0a02f | 274 | |
8d50e447 | 275 | reg[4] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_4); |
f1c0a02f MB |
276 | } while (reg[4] & WM8903_WSEQ_BUSY); |
277 | ||
f0fba2ad | 278 | dev_dbg(codec->dev, "Sequence complete\n"); |
f1c0a02f | 279 | |
37f88e84 MB |
280 | /* Disable the sequencer again if we enabled it */ |
281 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, reg[0]); | |
f1c0a02f MB |
282 | |
283 | return 0; | |
284 | } | |
285 | ||
286 | static void wm8903_sync_reg_cache(struct snd_soc_codec *codec, u16 *cache) | |
287 | { | |
288 | int i; | |
289 | ||
290 | /* There really ought to be something better we can do here :/ */ | |
291 | for (i = 0; i < ARRAY_SIZE(wm8903_reg_defaults); i++) | |
8d50e447 | 292 | cache[i] = codec->hw_read(codec, i); |
f1c0a02f MB |
293 | } |
294 | ||
295 | static void wm8903_reset(struct snd_soc_codec *codec) | |
296 | { | |
8d50e447 | 297 | snd_soc_write(codec, WM8903_SW_RESET_AND_ID, 0); |
d58d5d55 MB |
298 | memcpy(codec->reg_cache, wm8903_reg_defaults, |
299 | sizeof(wm8903_reg_defaults)); | |
f1c0a02f MB |
300 | } |
301 | ||
302 | #define WM8903_OUTPUT_SHORT 0x8 | |
303 | #define WM8903_OUTPUT_OUT 0x4 | |
304 | #define WM8903_OUTPUT_INT 0x2 | |
305 | #define WM8903_OUTPUT_IN 0x1 | |
306 | ||
42768a12 MB |
307 | static int wm8903_cp_event(struct snd_soc_dapm_widget *w, |
308 | struct snd_kcontrol *kcontrol, int event) | |
309 | { | |
310 | WARN_ON(event != SND_SOC_DAPM_POST_PMU); | |
311 | mdelay(4); | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
f1c0a02f MB |
316 | /* |
317 | * Event for headphone and line out amplifier power changes. Special | |
318 | * power up/down sequences are required in order to maximise pop/click | |
319 | * performance. | |
320 | */ | |
321 | static int wm8903_output_event(struct snd_soc_dapm_widget *w, | |
322 | struct snd_kcontrol *kcontrol, int event) | |
323 | { | |
324 | struct snd_soc_codec *codec = w->codec; | |
f1c0a02f | 325 | u16 val; |
0bc286e2 | 326 | u16 reg; |
d7d5c547 MB |
327 | u16 dcs_reg; |
328 | u16 dcs_bit; | |
0bc286e2 | 329 | int shift; |
f1c0a02f MB |
330 | |
331 | switch (w->reg) { | |
332 | case WM8903_POWER_MANAGEMENT_2: | |
333 | reg = WM8903_ANALOGUE_HP_0; | |
d7d5c547 | 334 | dcs_bit = 0 + w->shift; |
f1c0a02f MB |
335 | break; |
336 | case WM8903_POWER_MANAGEMENT_3: | |
337 | reg = WM8903_ANALOGUE_LINEOUT_0; | |
d7d5c547 | 338 | dcs_bit = 2 + w->shift; |
f1c0a02f MB |
339 | break; |
340 | default: | |
341 | BUG(); | |
1e297a19 | 342 | return -EINVAL; /* Spurious warning from some compilers */ |
f1c0a02f MB |
343 | } |
344 | ||
345 | switch (w->shift) { | |
346 | case 0: | |
347 | shift = 0; | |
348 | break; | |
349 | case 1: | |
350 | shift = 4; | |
351 | break; | |
352 | default: | |
353 | BUG(); | |
1e297a19 | 354 | return -EINVAL; /* Spurious warning from some compilers */ |
f1c0a02f MB |
355 | } |
356 | ||
357 | if (event & SND_SOC_DAPM_PRE_PMU) { | |
8d50e447 | 358 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
359 | |
360 | /* Short the output */ | |
361 | val &= ~(WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 362 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
363 | } |
364 | ||
365 | if (event & SND_SOC_DAPM_POST_PMU) { | |
8d50e447 | 366 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
367 | |
368 | val |= (WM8903_OUTPUT_IN << shift); | |
8d50e447 | 369 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
370 | |
371 | val |= (WM8903_OUTPUT_INT << shift); | |
8d50e447 | 372 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
373 | |
374 | /* Turn on the output ENA_OUTP */ | |
375 | val |= (WM8903_OUTPUT_OUT << shift); | |
8d50e447 | 376 | snd_soc_write(codec, reg, val); |
f1c0a02f | 377 | |
d7d5c547 | 378 | /* Enable the DC servo */ |
8d50e447 | 379 | dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0); |
d7d5c547 | 380 | dcs_reg |= dcs_bit; |
8d50e447 | 381 | snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg); |
d7d5c547 | 382 | |
f1c0a02f MB |
383 | /* Remove the short */ |
384 | val |= (WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 385 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
386 | } |
387 | ||
388 | if (event & SND_SOC_DAPM_PRE_PMD) { | |
8d50e447 | 389 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
390 | |
391 | /* Short the output */ | |
392 | val &= ~(WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 393 | snd_soc_write(codec, reg, val); |
f1c0a02f | 394 | |
d7d5c547 | 395 | /* Disable the DC servo */ |
8d50e447 | 396 | dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0); |
d7d5c547 | 397 | dcs_reg &= ~dcs_bit; |
8d50e447 | 398 | snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg); |
d7d5c547 | 399 | |
f1c0a02f MB |
400 | /* Then disable the intermediate and output stages */ |
401 | val &= ~((WM8903_OUTPUT_OUT | WM8903_OUTPUT_INT | | |
402 | WM8903_OUTPUT_IN) << shift); | |
8d50e447 | 403 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
404 | } |
405 | ||
f1c0a02f MB |
406 | return 0; |
407 | } | |
408 | ||
409 | /* | |
410 | * When used with DAC outputs only the WM8903 charge pump supports | |
411 | * operation in class W mode, providing very low power consumption | |
412 | * when used with digital sources. Enable and disable this mode | |
413 | * automatically depending on the mixer configuration. | |
414 | * | |
415 | * All the relevant controls are simple switches. | |
416 | */ | |
417 | static int wm8903_class_w_put(struct snd_kcontrol *kcontrol, | |
418 | struct snd_ctl_elem_value *ucontrol) | |
419 | { | |
420 | struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); | |
421 | struct snd_soc_codec *codec = widget->codec; | |
b2c812e2 | 422 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
423 | u16 reg; |
424 | int ret; | |
425 | ||
8d50e447 | 426 | reg = snd_soc_read(codec, WM8903_CLASS_W_0); |
f1c0a02f MB |
427 | |
428 | /* Turn it off if we're about to enable bypass */ | |
429 | if (ucontrol->value.integer.value[0]) { | |
430 | if (wm8903->class_w_users == 0) { | |
f0fba2ad | 431 | dev_dbg(codec->dev, "Disabling Class W\n"); |
8d50e447 | 432 | snd_soc_write(codec, WM8903_CLASS_W_0, reg & |
f1c0a02f MB |
433 | ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V)); |
434 | } | |
435 | wm8903->class_w_users++; | |
436 | } | |
437 | ||
438 | /* Implement the change */ | |
439 | ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol); | |
440 | ||
441 | /* If we've just disabled the last bypass path turn Class W on */ | |
442 | if (!ucontrol->value.integer.value[0]) { | |
443 | if (wm8903->class_w_users == 1) { | |
f0fba2ad | 444 | dev_dbg(codec->dev, "Enabling Class W\n"); |
8d50e447 | 445 | snd_soc_write(codec, WM8903_CLASS_W_0, reg | |
f1c0a02f MB |
446 | WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); |
447 | } | |
448 | wm8903->class_w_users--; | |
449 | } | |
450 | ||
f0fba2ad | 451 | dev_dbg(codec->dev, "Bypass use count now %d\n", |
f1c0a02f MB |
452 | wm8903->class_w_users); |
453 | ||
454 | return ret; | |
455 | } | |
456 | ||
457 | #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \ | |
458 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
459 | .info = snd_soc_info_volsw, \ | |
460 | .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \ | |
461 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } | |
462 | ||
463 | ||
69fff9bb MB |
464 | static int wm8903_deemph[] = { 0, 32000, 44100, 48000 }; |
465 | ||
466 | static int wm8903_set_deemph(struct snd_soc_codec *codec) | |
467 | { | |
468 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); | |
469 | int val, i, best; | |
470 | ||
471 | /* If we're using deemphasis select the nearest available sample | |
472 | * rate. | |
473 | */ | |
474 | if (wm8903->deemph) { | |
475 | best = 1; | |
476 | for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) { | |
477 | if (abs(wm8903_deemph[i] - wm8903->fs) < | |
478 | abs(wm8903_deemph[best] - wm8903->fs)) | |
479 | best = i; | |
480 | } | |
481 | ||
482 | val = best << WM8903_DEEMPH_SHIFT; | |
483 | } else { | |
484 | best = 0; | |
485 | val = 0; | |
486 | } | |
487 | ||
488 | dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n", | |
489 | best, wm8903_deemph[best]); | |
490 | ||
491 | return snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1, | |
492 | WM8903_DEEMPH_MASK, val); | |
493 | } | |
494 | ||
495 | static int wm8903_get_deemph(struct snd_kcontrol *kcontrol, | |
496 | struct snd_ctl_elem_value *ucontrol) | |
497 | { | |
498 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
499 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); | |
500 | ||
501 | ucontrol->value.enumerated.item[0] = wm8903->deemph; | |
502 | ||
503 | return 0; | |
504 | } | |
505 | ||
506 | static int wm8903_put_deemph(struct snd_kcontrol *kcontrol, | |
507 | struct snd_ctl_elem_value *ucontrol) | |
508 | { | |
509 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
510 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); | |
511 | int deemph = ucontrol->value.enumerated.item[0]; | |
512 | int ret = 0; | |
513 | ||
514 | if (deemph > 1) | |
515 | return -EINVAL; | |
516 | ||
517 | mutex_lock(&codec->mutex); | |
518 | if (wm8903->deemph != deemph) { | |
519 | wm8903->deemph = deemph; | |
520 | ||
521 | wm8903_set_deemph(codec); | |
522 | ||
523 | ret = 1; | |
524 | } | |
525 | mutex_unlock(&codec->mutex); | |
526 | ||
527 | return ret; | |
528 | } | |
529 | ||
f1c0a02f MB |
530 | /* ALSA can only do steps of .01dB */ |
531 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); | |
532 | ||
291ce18c | 533 | static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0); |
f1c0a02f MB |
534 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
535 | ||
536 | static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0); | |
537 | static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0); | |
538 | static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0); | |
539 | static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0); | |
540 | static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0); | |
541 | ||
460f4aae MB |
542 | static const char *hpf_mode_text[] = { |
543 | "Hi-fi", "Voice 1", "Voice 2", "Voice 3" | |
544 | }; | |
545 | ||
546 | static const struct soc_enum hpf_mode = | |
547 | SOC_ENUM_SINGLE(WM8903_ADC_DIGITAL_0, 5, 4, hpf_mode_text); | |
548 | ||
dcf9ada3 MB |
549 | static const char *osr_text[] = { |
550 | "Low power", "High performance" | |
551 | }; | |
552 | ||
553 | static const struct soc_enum adc_osr = | |
554 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_ADC_0, 0, 2, osr_text); | |
555 | ||
556 | static const struct soc_enum dac_osr = | |
557 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 0, 2, osr_text); | |
558 | ||
f1c0a02f MB |
559 | static const char *drc_slope_text[] = { |
560 | "1", "1/2", "1/4", "1/8", "1/16", "0" | |
561 | }; | |
562 | ||
563 | static const struct soc_enum drc_slope_r0 = | |
564 | SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text); | |
565 | ||
566 | static const struct soc_enum drc_slope_r1 = | |
567 | SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text); | |
568 | ||
569 | static const char *drc_attack_text[] = { | |
570 | "instantaneous", | |
571 | "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms", | |
572 | "46.4ms", "92.8ms", "185.6ms" | |
573 | }; | |
574 | ||
575 | static const struct soc_enum drc_attack = | |
576 | SOC_ENUM_SINGLE(WM8903_DRC_1, 12, 11, drc_attack_text); | |
577 | ||
578 | static const char *drc_decay_text[] = { | |
579 | "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s", | |
580 | "23.87s", "47.56s" | |
581 | }; | |
582 | ||
583 | static const struct soc_enum drc_decay = | |
584 | SOC_ENUM_SINGLE(WM8903_DRC_1, 8, 9, drc_decay_text); | |
585 | ||
586 | static const char *drc_ff_delay_text[] = { | |
587 | "5 samples", "9 samples" | |
588 | }; | |
589 | ||
590 | static const struct soc_enum drc_ff_delay = | |
591 | SOC_ENUM_SINGLE(WM8903_DRC_0, 5, 2, drc_ff_delay_text); | |
592 | ||
593 | static const char *drc_qr_decay_text[] = { | |
594 | "0.725ms", "1.45ms", "5.8ms" | |
595 | }; | |
596 | ||
597 | static const struct soc_enum drc_qr_decay = | |
598 | SOC_ENUM_SINGLE(WM8903_DRC_1, 4, 3, drc_qr_decay_text); | |
599 | ||
600 | static const char *drc_smoothing_text[] = { | |
601 | "Low", "Medium", "High" | |
602 | }; | |
603 | ||
604 | static const struct soc_enum drc_smoothing = | |
605 | SOC_ENUM_SINGLE(WM8903_DRC_0, 11, 3, drc_smoothing_text); | |
606 | ||
607 | static const char *soft_mute_text[] = { | |
608 | "Fast (fs/2)", "Slow (fs/32)" | |
609 | }; | |
610 | ||
611 | static const struct soc_enum soft_mute = | |
612 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text); | |
613 | ||
614 | static const char *mute_mode_text[] = { | |
615 | "Hard", "Soft" | |
616 | }; | |
617 | ||
618 | static const struct soc_enum mute_mode = | |
619 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text); | |
620 | ||
f1c0a02f MB |
621 | static const char *companding_text[] = { |
622 | "ulaw", "alaw" | |
623 | }; | |
624 | ||
625 | static const struct soc_enum dac_companding = | |
626 | SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text); | |
627 | ||
628 | static const struct soc_enum adc_companding = | |
629 | SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text); | |
630 | ||
631 | static const char *input_mode_text[] = { | |
632 | "Single-Ended", "Differential Line", "Differential Mic" | |
633 | }; | |
634 | ||
635 | static const struct soc_enum linput_mode_enum = | |
636 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text); | |
637 | ||
638 | static const struct soc_enum rinput_mode_enum = | |
639 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text); | |
640 | ||
641 | static const char *linput_mux_text[] = { | |
642 | "IN1L", "IN2L", "IN3L" | |
643 | }; | |
644 | ||
645 | static const struct soc_enum linput_enum = | |
646 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 2, 3, linput_mux_text); | |
647 | ||
648 | static const struct soc_enum linput_inv_enum = | |
649 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 4, 3, linput_mux_text); | |
650 | ||
651 | static const char *rinput_mux_text[] = { | |
652 | "IN1R", "IN2R", "IN3R" | |
653 | }; | |
654 | ||
655 | static const struct soc_enum rinput_enum = | |
656 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 2, 3, rinput_mux_text); | |
657 | ||
658 | static const struct soc_enum rinput_inv_enum = | |
659 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text); | |
660 | ||
661 | ||
291ce18c MB |
662 | static const char *sidetone_text[] = { |
663 | "None", "Left", "Right" | |
664 | }; | |
665 | ||
666 | static const struct soc_enum lsidetone_enum = | |
667 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text); | |
668 | ||
669 | static const struct soc_enum rsidetone_enum = | |
670 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text); | |
671 | ||
f1c0a02f MB |
672 | static const struct snd_kcontrol_new wm8903_snd_controls[] = { |
673 | ||
674 | /* Input PGAs - No TLV since the scale depends on PGA mode */ | |
675 | SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0, | |
5715952b | 676 | 7, 1, 1), |
f1c0a02f MB |
677 | SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0, |
678 | 0, 31, 0), | |
679 | SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1, | |
680 | 6, 1, 0), | |
681 | ||
682 | SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0, | |
5715952b | 683 | 7, 1, 1), |
f1c0a02f MB |
684 | SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0, |
685 | 0, 31, 0), | |
686 | SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1, | |
687 | 6, 1, 0), | |
688 | ||
689 | /* ADCs */ | |
dcf9ada3 | 690 | SOC_ENUM("ADC OSR", adc_osr), |
460f4aae MB |
691 | SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0), |
692 | SOC_ENUM("HPF Mode", hpf_mode), | |
f1c0a02f MB |
693 | SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0), |
694 | SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0), | |
695 | SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1), | |
af901ca1 | 696 | SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1, |
f1c0a02f MB |
697 | drc_tlv_thresh), |
698 | SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp), | |
699 | SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min), | |
700 | SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max), | |
701 | SOC_ENUM("DRC Attack Rate", drc_attack), | |
702 | SOC_ENUM("DRC Decay Rate", drc_decay), | |
703 | SOC_ENUM("DRC FF Delay", drc_ff_delay), | |
704 | SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0), | |
705 | SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0), | |
af901ca1 | 706 | SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max), |
f1c0a02f MB |
707 | SOC_ENUM("DRC QR Decay Rate", drc_qr_decay), |
708 | SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0), | |
709 | SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0), | |
af901ca1 | 710 | SOC_ENUM("DRC Smoothing Threshold", drc_smoothing), |
f1c0a02f MB |
711 | SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup), |
712 | ||
713 | SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT, | |
714 | WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv), | |
715 | SOC_ENUM("ADC Companding Mode", adc_companding), | |
716 | SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0), | |
717 | ||
291ce18c MB |
718 | SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8, |
719 | 12, 0, digital_sidetone_tlv), | |
720 | ||
f1c0a02f | 721 | /* DAC */ |
dcf9ada3 | 722 | SOC_ENUM("DAC OSR", dac_osr), |
f1c0a02f MB |
723 | SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT, |
724 | WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), | |
725 | SOC_ENUM("DAC Soft Mute Rate", soft_mute), | |
726 | SOC_ENUM("DAC Mute Mode", mute_mode), | |
727 | SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0), | |
f1c0a02f MB |
728 | SOC_ENUM("DAC Companding Mode", dac_companding), |
729 | SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0), | |
69fff9bb MB |
730 | SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, |
731 | wm8903_get_deemph, wm8903_put_deemph), | |
f1c0a02f MB |
732 | |
733 | /* Headphones */ | |
734 | SOC_DOUBLE_R("Headphone Switch", | |
735 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
736 | 8, 1, 1), | |
737 | SOC_DOUBLE_R("Headphone ZC Switch", | |
738 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
739 | 6, 1, 0), | |
740 | SOC_DOUBLE_R_TLV("Headphone Volume", | |
741 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
742 | 0, 63, 0, out_tlv), | |
743 | ||
744 | /* Line out */ | |
745 | SOC_DOUBLE_R("Line Out Switch", | |
746 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
747 | 8, 1, 1), | |
748 | SOC_DOUBLE_R("Line Out ZC Switch", | |
749 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
750 | 6, 1, 0), | |
751 | SOC_DOUBLE_R_TLV("Line Out Volume", | |
752 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
753 | 0, 63, 0, out_tlv), | |
754 | ||
755 | /* Speaker */ | |
756 | SOC_DOUBLE_R("Speaker Switch", | |
757 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1), | |
758 | SOC_DOUBLE_R("Speaker ZC Switch", | |
759 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0), | |
760 | SOC_DOUBLE_R_TLV("Speaker Volume", | |
761 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, | |
762 | 0, 63, 0, out_tlv), | |
763 | }; | |
764 | ||
f1c0a02f MB |
765 | static const struct snd_kcontrol_new linput_mode_mux = |
766 | SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum); | |
767 | ||
768 | static const struct snd_kcontrol_new rinput_mode_mux = | |
769 | SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum); | |
770 | ||
771 | static const struct snd_kcontrol_new linput_mux = | |
772 | SOC_DAPM_ENUM("Left Input Mux", linput_enum); | |
773 | ||
774 | static const struct snd_kcontrol_new linput_inv_mux = | |
775 | SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum); | |
776 | ||
777 | static const struct snd_kcontrol_new rinput_mux = | |
778 | SOC_DAPM_ENUM("Right Input Mux", rinput_enum); | |
779 | ||
780 | static const struct snd_kcontrol_new rinput_inv_mux = | |
781 | SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum); | |
782 | ||
291ce18c MB |
783 | static const struct snd_kcontrol_new lsidetone_mux = |
784 | SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum); | |
785 | ||
786 | static const struct snd_kcontrol_new rsidetone_mux = | |
787 | SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum); | |
788 | ||
f1c0a02f MB |
789 | static const struct snd_kcontrol_new left_output_mixer[] = { |
790 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0), | |
791 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0), | |
792 | SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0), | |
4b4fffdd | 793 | SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0), |
f1c0a02f MB |
794 | }; |
795 | ||
796 | static const struct snd_kcontrol_new right_output_mixer[] = { | |
797 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0), | |
798 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0), | |
799 | SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0), | |
4b4fffdd | 800 | SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0), |
f1c0a02f MB |
801 | }; |
802 | ||
803 | static const struct snd_kcontrol_new left_speaker_mixer[] = { | |
804 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0), | |
805 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0), | |
806 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0), | |
807 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, | |
4b4fffdd | 808 | 0, 1, 0), |
f1c0a02f MB |
809 | }; |
810 | ||
811 | static const struct snd_kcontrol_new right_speaker_mixer[] = { | |
812 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0), | |
813 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0), | |
814 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, | |
815 | 1, 1, 0), | |
816 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, | |
4b4fffdd | 817 | 0, 1, 0), |
f1c0a02f MB |
818 | }; |
819 | ||
820 | static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = { | |
821 | SND_SOC_DAPM_INPUT("IN1L"), | |
822 | SND_SOC_DAPM_INPUT("IN1R"), | |
823 | SND_SOC_DAPM_INPUT("IN2L"), | |
824 | SND_SOC_DAPM_INPUT("IN2R"), | |
825 | SND_SOC_DAPM_INPUT("IN3L"), | |
826 | SND_SOC_DAPM_INPUT("IN3R"), | |
827 | ||
828 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
829 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
830 | SND_SOC_DAPM_OUTPUT("LINEOUTL"), | |
831 | SND_SOC_DAPM_OUTPUT("LINEOUTR"), | |
832 | SND_SOC_DAPM_OUTPUT("LOP"), | |
833 | SND_SOC_DAPM_OUTPUT("LON"), | |
834 | SND_SOC_DAPM_OUTPUT("ROP"), | |
835 | SND_SOC_DAPM_OUTPUT("RON"), | |
836 | ||
837 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8903_MIC_BIAS_CONTROL_0, 0, 0), | |
838 | ||
839 | SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux), | |
840 | SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0, | |
841 | &linput_inv_mux), | |
842 | SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux), | |
843 | ||
844 | SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux), | |
845 | SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0, | |
846 | &rinput_inv_mux), | |
847 | SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux), | |
848 | ||
849 | SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0), | |
850 | SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0), | |
851 | ||
852 | SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0), | |
853 | SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0), | |
854 | ||
291ce18c MB |
855 | SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux), |
856 | SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux), | |
857 | ||
f1c0a02f MB |
858 | SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0), |
859 | SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0), | |
860 | ||
861 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0, | |
862 | left_output_mixer, ARRAY_SIZE(left_output_mixer)), | |
863 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0, | |
864 | right_output_mixer, ARRAY_SIZE(right_output_mixer)), | |
865 | ||
866 | SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0, | |
867 | left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), | |
868 | SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0, | |
869 | right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), | |
870 | ||
871 | SND_SOC_DAPM_PGA_E("Left Headphone Output PGA", WM8903_POWER_MANAGEMENT_2, | |
872 | 1, 0, NULL, 0, wm8903_output_event, | |
873 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 874 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
875 | SND_SOC_DAPM_PGA_E("Right Headphone Output PGA", WM8903_POWER_MANAGEMENT_2, |
876 | 0, 0, NULL, 0, wm8903_output_event, | |
877 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 878 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
879 | |
880 | SND_SOC_DAPM_PGA_E("Left Line Output PGA", WM8903_POWER_MANAGEMENT_3, 1, 0, | |
881 | NULL, 0, wm8903_output_event, | |
882 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 883 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
884 | SND_SOC_DAPM_PGA_E("Right Line Output PGA", WM8903_POWER_MANAGEMENT_3, 0, 0, |
885 | NULL, 0, wm8903_output_event, | |
886 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 887 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
888 | |
889 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0, | |
890 | NULL, 0), | |
891 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0, | |
892 | NULL, 0), | |
893 | ||
42768a12 MB |
894 | SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0, |
895 | wm8903_cp_event, SND_SOC_DAPM_POST_PMU), | |
c2aef4ff | 896 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0), |
f1c0a02f MB |
897 | }; |
898 | ||
899 | static const struct snd_soc_dapm_route intercon[] = { | |
900 | ||
901 | { "Left Input Mux", "IN1L", "IN1L" }, | |
902 | { "Left Input Mux", "IN2L", "IN2L" }, | |
903 | { "Left Input Mux", "IN3L", "IN3L" }, | |
904 | ||
905 | { "Left Input Inverting Mux", "IN1L", "IN1L" }, | |
906 | { "Left Input Inverting Mux", "IN2L", "IN2L" }, | |
907 | { "Left Input Inverting Mux", "IN3L", "IN3L" }, | |
908 | ||
909 | { "Right Input Mux", "IN1R", "IN1R" }, | |
910 | { "Right Input Mux", "IN2R", "IN2R" }, | |
911 | { "Right Input Mux", "IN3R", "IN3R" }, | |
912 | ||
913 | { "Right Input Inverting Mux", "IN1R", "IN1R" }, | |
914 | { "Right Input Inverting Mux", "IN2R", "IN2R" }, | |
915 | { "Right Input Inverting Mux", "IN3R", "IN3R" }, | |
916 | ||
917 | { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" }, | |
918 | { "Left Input Mode Mux", "Differential Line", | |
919 | "Left Input Mux" }, | |
920 | { "Left Input Mode Mux", "Differential Line", | |
921 | "Left Input Inverting Mux" }, | |
922 | { "Left Input Mode Mux", "Differential Mic", | |
923 | "Left Input Mux" }, | |
924 | { "Left Input Mode Mux", "Differential Mic", | |
925 | "Left Input Inverting Mux" }, | |
926 | ||
927 | { "Right Input Mode Mux", "Single-Ended", | |
928 | "Right Input Inverting Mux" }, | |
929 | { "Right Input Mode Mux", "Differential Line", | |
930 | "Right Input Mux" }, | |
931 | { "Right Input Mode Mux", "Differential Line", | |
932 | "Right Input Inverting Mux" }, | |
933 | { "Right Input Mode Mux", "Differential Mic", | |
934 | "Right Input Mux" }, | |
935 | { "Right Input Mode Mux", "Differential Mic", | |
936 | "Right Input Inverting Mux" }, | |
937 | ||
938 | { "Left Input PGA", NULL, "Left Input Mode Mux" }, | |
939 | { "Right Input PGA", NULL, "Right Input Mode Mux" }, | |
940 | ||
941 | { "ADCL", NULL, "Left Input PGA" }, | |
c2aef4ff | 942 | { "ADCL", NULL, "CLK_DSP" }, |
f1c0a02f | 943 | { "ADCR", NULL, "Right Input PGA" }, |
c2aef4ff MB |
944 | { "ADCR", NULL, "CLK_DSP" }, |
945 | ||
291ce18c MB |
946 | { "DACL Sidetone", "Left", "ADCL" }, |
947 | { "DACL Sidetone", "Right", "ADCR" }, | |
948 | { "DACR Sidetone", "Left", "ADCL" }, | |
949 | { "DACR Sidetone", "Right", "ADCR" }, | |
950 | ||
951 | { "DACL", NULL, "DACL Sidetone" }, | |
c2aef4ff | 952 | { "DACL", NULL, "CLK_DSP" }, |
291ce18c | 953 | { "DACR", NULL, "DACR Sidetone" }, |
c2aef4ff | 954 | { "DACR", NULL, "CLK_DSP" }, |
f1c0a02f MB |
955 | |
956 | { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
957 | { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
958 | { "Left Output Mixer", "DACL Switch", "DACL" }, | |
959 | { "Left Output Mixer", "DACR Switch", "DACR" }, | |
960 | ||
961 | { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
962 | { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
963 | { "Right Output Mixer", "DACL Switch", "DACL" }, | |
964 | { "Right Output Mixer", "DACR Switch", "DACR" }, | |
965 | ||
966 | { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
967 | { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
968 | { "Left Speaker Mixer", "DACL Switch", "DACL" }, | |
969 | { "Left Speaker Mixer", "DACR Switch", "DACR" }, | |
970 | ||
971 | { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
972 | { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
973 | { "Right Speaker Mixer", "DACL Switch", "DACL" }, | |
974 | { "Right Speaker Mixer", "DACR Switch", "DACR" }, | |
975 | ||
976 | { "Left Line Output PGA", NULL, "Left Output Mixer" }, | |
977 | { "Right Line Output PGA", NULL, "Right Output Mixer" }, | |
978 | ||
979 | { "Left Headphone Output PGA", NULL, "Left Output Mixer" }, | |
980 | { "Right Headphone Output PGA", NULL, "Right Output Mixer" }, | |
981 | ||
982 | { "Left Speaker PGA", NULL, "Left Speaker Mixer" }, | |
983 | { "Right Speaker PGA", NULL, "Right Speaker Mixer" }, | |
984 | ||
985 | { "HPOUTL", NULL, "Left Headphone Output PGA" }, | |
986 | { "HPOUTR", NULL, "Right Headphone Output PGA" }, | |
987 | ||
988 | { "LINEOUTL", NULL, "Left Line Output PGA" }, | |
989 | { "LINEOUTR", NULL, "Right Line Output PGA" }, | |
990 | ||
991 | { "LOP", NULL, "Left Speaker PGA" }, | |
992 | { "LON", NULL, "Left Speaker PGA" }, | |
993 | ||
994 | { "ROP", NULL, "Right Speaker PGA" }, | |
995 | { "RON", NULL, "Right Speaker PGA" }, | |
42768a12 MB |
996 | |
997 | { "Left Headphone Output PGA", NULL, "Charge Pump" }, | |
998 | { "Right Headphone Output PGA", NULL, "Charge Pump" }, | |
999 | { "Left Line Output PGA", NULL, "Charge Pump" }, | |
1000 | { "Right Line Output PGA", NULL, "Charge Pump" }, | |
f1c0a02f MB |
1001 | }; |
1002 | ||
1003 | static int wm8903_add_widgets(struct snd_soc_codec *codec) | |
1004 | { | |
ce6120cc | 1005 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f1c0a02f | 1006 | |
ce6120cc LG |
1007 | snd_soc_dapm_new_controls(dapm, wm8903_dapm_widgets, |
1008 | ARRAY_SIZE(wm8903_dapm_widgets)); | |
1009 | snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon)); | |
f1c0a02f | 1010 | |
f1c0a02f MB |
1011 | return 0; |
1012 | } | |
1013 | ||
1014 | static int wm8903_set_bias_level(struct snd_soc_codec *codec, | |
1015 | enum snd_soc_bias_level level) | |
1016 | { | |
f1c0a02f MB |
1017 | u16 reg, reg2; |
1018 | ||
1019 | switch (level) { | |
1020 | case SND_SOC_BIAS_ON: | |
1021 | case SND_SOC_BIAS_PREPARE: | |
8d50e447 | 1022 | reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); |
f1c0a02f MB |
1023 | reg &= ~(WM8903_VMID_RES_MASK); |
1024 | reg |= WM8903_VMID_RES_50K; | |
8d50e447 | 1025 | snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg); |
f1c0a02f MB |
1026 | break; |
1027 | ||
1028 | case SND_SOC_BIAS_STANDBY: | |
ce6120cc | 1029 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
8d50e447 | 1030 | snd_soc_write(codec, WM8903_CLOCK_RATES_2, |
3b1228ab MB |
1031 | WM8903_CLK_SYS_ENA); |
1032 | ||
4dbfe809 | 1033 | /* Change DC servo dither level in startup sequence */ |
8d50e447 MB |
1034 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, 0x11); |
1035 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_1, 0x1257); | |
1036 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_2, 0x2); | |
4dbfe809 | 1037 | |
f1c0a02f MB |
1038 | wm8903_run_sequence(codec, 0); |
1039 | wm8903_sync_reg_cache(codec, codec->reg_cache); | |
1040 | ||
1041 | /* Enable low impedence charge pump output */ | |
8d50e447 | 1042 | reg = snd_soc_read(codec, |
f1c0a02f | 1043 | WM8903_CONTROL_INTERFACE_TEST_1); |
8d50e447 | 1044 | snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1, |
f1c0a02f | 1045 | reg | WM8903_TEST_KEY); |
8d50e447 MB |
1046 | reg2 = snd_soc_read(codec, WM8903_CHARGE_PUMP_TEST_1); |
1047 | snd_soc_write(codec, WM8903_CHARGE_PUMP_TEST_1, | |
f1c0a02f | 1048 | reg2 | WM8903_CP_SW_KELVIN_MODE_MASK); |
8d50e447 | 1049 | snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1, |
f1c0a02f MB |
1050 | reg); |
1051 | ||
1052 | /* By default no bypass paths are enabled so | |
1053 | * enable Class W support. | |
1054 | */ | |
f0fba2ad | 1055 | dev_dbg(codec->dev, "Enabling Class W\n"); |
8d50e447 | 1056 | snd_soc_write(codec, WM8903_CLASS_W_0, reg | |
f1c0a02f MB |
1057 | WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); |
1058 | } | |
1059 | ||
8d50e447 | 1060 | reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); |
f1c0a02f MB |
1061 | reg &= ~(WM8903_VMID_RES_MASK); |
1062 | reg |= WM8903_VMID_RES_250K; | |
8d50e447 | 1063 | snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg); |
f1c0a02f MB |
1064 | break; |
1065 | ||
1066 | case SND_SOC_BIAS_OFF: | |
1067 | wm8903_run_sequence(codec, 32); | |
8d50e447 | 1068 | reg = snd_soc_read(codec, WM8903_CLOCK_RATES_2); |
3b1228ab | 1069 | reg &= ~WM8903_CLK_SYS_ENA; |
8d50e447 | 1070 | snd_soc_write(codec, WM8903_CLOCK_RATES_2, reg); |
f1c0a02f MB |
1071 | break; |
1072 | } | |
1073 | ||
ce6120cc | 1074 | codec->dapm.bias_level = level; |
f1c0a02f MB |
1075 | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
1080 | int clk_id, unsigned int freq, int dir) | |
1081 | { | |
1082 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 1083 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1084 | |
1085 | wm8903->sysclk = freq; | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
1091 | unsigned int fmt) | |
1092 | { | |
1093 | struct snd_soc_codec *codec = codec_dai->codec; | |
8d50e447 | 1094 | u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1); |
f1c0a02f MB |
1095 | |
1096 | aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK | | |
1097 | WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV); | |
1098 | ||
1099 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1100 | case SND_SOC_DAIFMT_CBS_CFS: | |
1101 | break; | |
1102 | case SND_SOC_DAIFMT_CBS_CFM: | |
1103 | aif1 |= WM8903_LRCLK_DIR; | |
1104 | break; | |
1105 | case SND_SOC_DAIFMT_CBM_CFM: | |
1106 | aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR; | |
1107 | break; | |
1108 | case SND_SOC_DAIFMT_CBM_CFS: | |
1109 | aif1 |= WM8903_BCLK_DIR; | |
1110 | break; | |
1111 | default: | |
1112 | return -EINVAL; | |
1113 | } | |
1114 | ||
1115 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1116 | case SND_SOC_DAIFMT_DSP_A: | |
1117 | aif1 |= 0x3; | |
1118 | break; | |
1119 | case SND_SOC_DAIFMT_DSP_B: | |
1120 | aif1 |= 0x3 | WM8903_AIF_LRCLK_INV; | |
1121 | break; | |
1122 | case SND_SOC_DAIFMT_I2S: | |
1123 | aif1 |= 0x2; | |
1124 | break; | |
1125 | case SND_SOC_DAIFMT_RIGHT_J: | |
1126 | aif1 |= 0x1; | |
1127 | break; | |
1128 | case SND_SOC_DAIFMT_LEFT_J: | |
1129 | break; | |
1130 | default: | |
1131 | return -EINVAL; | |
1132 | } | |
1133 | ||
1134 | /* Clock inversion */ | |
1135 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1136 | case SND_SOC_DAIFMT_DSP_A: | |
1137 | case SND_SOC_DAIFMT_DSP_B: | |
1138 | /* frame inversion not valid for DSP modes */ | |
1139 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1140 | case SND_SOC_DAIFMT_NB_NF: | |
1141 | break; | |
1142 | case SND_SOC_DAIFMT_IB_NF: | |
1143 | aif1 |= WM8903_AIF_BCLK_INV; | |
1144 | break; | |
1145 | default: | |
1146 | return -EINVAL; | |
1147 | } | |
1148 | break; | |
1149 | case SND_SOC_DAIFMT_I2S: | |
1150 | case SND_SOC_DAIFMT_RIGHT_J: | |
1151 | case SND_SOC_DAIFMT_LEFT_J: | |
1152 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1153 | case SND_SOC_DAIFMT_NB_NF: | |
1154 | break; | |
1155 | case SND_SOC_DAIFMT_IB_IF: | |
1156 | aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV; | |
1157 | break; | |
1158 | case SND_SOC_DAIFMT_IB_NF: | |
1159 | aif1 |= WM8903_AIF_BCLK_INV; | |
1160 | break; | |
1161 | case SND_SOC_DAIFMT_NB_IF: | |
1162 | aif1 |= WM8903_AIF_LRCLK_INV; | |
1163 | break; | |
1164 | default: | |
1165 | return -EINVAL; | |
1166 | } | |
1167 | break; | |
1168 | default: | |
1169 | return -EINVAL; | |
1170 | } | |
1171 | ||
8d50e447 | 1172 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1); |
f1c0a02f MB |
1173 | |
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute) | |
1178 | { | |
1179 | struct snd_soc_codec *codec = codec_dai->codec; | |
1180 | u16 reg; | |
1181 | ||
8d50e447 | 1182 | reg = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); |
f1c0a02f MB |
1183 | |
1184 | if (mute) | |
1185 | reg |= WM8903_DAC_MUTE; | |
1186 | else | |
1187 | reg &= ~WM8903_DAC_MUTE; | |
1188 | ||
8d50e447 | 1189 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, reg); |
f1c0a02f MB |
1190 | |
1191 | return 0; | |
1192 | } | |
1193 | ||
1194 | /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended | |
1195 | * for optimal performance so we list the lower rates first and match | |
1196 | * on the last match we find. */ | |
1197 | static struct { | |
1198 | int div; | |
1199 | int rate; | |
1200 | int mode; | |
1201 | int mclk_div; | |
1202 | } clk_sys_ratios[] = { | |
1203 | { 64, 0x0, 0x0, 1 }, | |
1204 | { 68, 0x0, 0x1, 1 }, | |
1205 | { 125, 0x0, 0x2, 1 }, | |
1206 | { 128, 0x1, 0x0, 1 }, | |
1207 | { 136, 0x1, 0x1, 1 }, | |
1208 | { 192, 0x2, 0x0, 1 }, | |
1209 | { 204, 0x2, 0x1, 1 }, | |
1210 | ||
1211 | { 64, 0x0, 0x0, 2 }, | |
1212 | { 68, 0x0, 0x1, 2 }, | |
1213 | { 125, 0x0, 0x2, 2 }, | |
1214 | { 128, 0x1, 0x0, 2 }, | |
1215 | { 136, 0x1, 0x1, 2 }, | |
1216 | { 192, 0x2, 0x0, 2 }, | |
1217 | { 204, 0x2, 0x1, 2 }, | |
1218 | ||
1219 | { 250, 0x2, 0x2, 1 }, | |
1220 | { 256, 0x3, 0x0, 1 }, | |
1221 | { 272, 0x3, 0x1, 1 }, | |
1222 | { 384, 0x4, 0x0, 1 }, | |
1223 | { 408, 0x4, 0x1, 1 }, | |
1224 | { 375, 0x4, 0x2, 1 }, | |
1225 | { 512, 0x5, 0x0, 1 }, | |
1226 | { 544, 0x5, 0x1, 1 }, | |
1227 | { 500, 0x5, 0x2, 1 }, | |
1228 | { 768, 0x6, 0x0, 1 }, | |
1229 | { 816, 0x6, 0x1, 1 }, | |
1230 | { 750, 0x6, 0x2, 1 }, | |
1231 | { 1024, 0x7, 0x0, 1 }, | |
1232 | { 1088, 0x7, 0x1, 1 }, | |
1233 | { 1000, 0x7, 0x2, 1 }, | |
1234 | { 1408, 0x8, 0x0, 1 }, | |
1235 | { 1496, 0x8, 0x1, 1 }, | |
1236 | { 1536, 0x9, 0x0, 1 }, | |
1237 | { 1632, 0x9, 0x1, 1 }, | |
1238 | { 1500, 0x9, 0x2, 1 }, | |
1239 | ||
1240 | { 250, 0x2, 0x2, 2 }, | |
1241 | { 256, 0x3, 0x0, 2 }, | |
1242 | { 272, 0x3, 0x1, 2 }, | |
1243 | { 384, 0x4, 0x0, 2 }, | |
1244 | { 408, 0x4, 0x1, 2 }, | |
1245 | { 375, 0x4, 0x2, 2 }, | |
1246 | { 512, 0x5, 0x0, 2 }, | |
1247 | { 544, 0x5, 0x1, 2 }, | |
1248 | { 500, 0x5, 0x2, 2 }, | |
1249 | { 768, 0x6, 0x0, 2 }, | |
1250 | { 816, 0x6, 0x1, 2 }, | |
1251 | { 750, 0x6, 0x2, 2 }, | |
1252 | { 1024, 0x7, 0x0, 2 }, | |
1253 | { 1088, 0x7, 0x1, 2 }, | |
1254 | { 1000, 0x7, 0x2, 2 }, | |
1255 | { 1408, 0x8, 0x0, 2 }, | |
1256 | { 1496, 0x8, 0x1, 2 }, | |
1257 | { 1536, 0x9, 0x0, 2 }, | |
1258 | { 1632, 0x9, 0x1, 2 }, | |
1259 | { 1500, 0x9, 0x2, 2 }, | |
1260 | }; | |
1261 | ||
1262 | /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */ | |
1263 | static struct { | |
1264 | int ratio; | |
1265 | int div; | |
1266 | } bclk_divs[] = { | |
1267 | { 10, 0 }, | |
f1c0a02f MB |
1268 | { 20, 2 }, |
1269 | { 30, 3 }, | |
1270 | { 40, 4 }, | |
1271 | { 50, 5 }, | |
f1c0a02f MB |
1272 | { 60, 7 }, |
1273 | { 80, 8 }, | |
1274 | { 100, 9 }, | |
f1c0a02f MB |
1275 | { 120, 11 }, |
1276 | { 160, 12 }, | |
1277 | { 200, 13 }, | |
1278 | { 220, 14 }, | |
1279 | { 240, 15 }, | |
f1c0a02f MB |
1280 | { 300, 17 }, |
1281 | { 320, 18 }, | |
1282 | { 440, 19 }, | |
1283 | { 480, 20 }, | |
1284 | }; | |
1285 | ||
1286 | /* Sample rates for DSP */ | |
1287 | static struct { | |
1288 | int rate; | |
1289 | int value; | |
1290 | } sample_rates[] = { | |
1291 | { 8000, 0 }, | |
1292 | { 11025, 1 }, | |
1293 | { 12000, 2 }, | |
1294 | { 16000, 3 }, | |
1295 | { 22050, 4 }, | |
1296 | { 24000, 5 }, | |
1297 | { 32000, 6 }, | |
1298 | { 44100, 7 }, | |
1299 | { 48000, 8 }, | |
1300 | { 88200, 9 }, | |
1301 | { 96000, 10 }, | |
1302 | { 0, 0 }, | |
1303 | }; | |
1304 | ||
f1c0a02f | 1305 | static int wm8903_hw_params(struct snd_pcm_substream *substream, |
dee89c4d MB |
1306 | struct snd_pcm_hw_params *params, |
1307 | struct snd_soc_dai *dai) | |
f1c0a02f MB |
1308 | { |
1309 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 1310 | struct snd_soc_codec *codec =rtd->codec; |
b2c812e2 | 1311 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1312 | int fs = params_rate(params); |
1313 | int bclk; | |
1314 | int bclk_div; | |
1315 | int i; | |
1316 | int dsp_config; | |
1317 | int clk_config; | |
1318 | int best_val; | |
1319 | int cur_val; | |
1320 | int clk_sys; | |
1321 | ||
8d50e447 MB |
1322 | u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1); |
1323 | u16 aif2 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_2); | |
1324 | u16 aif3 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_3); | |
1325 | u16 clock0 = snd_soc_read(codec, WM8903_CLOCK_RATES_0); | |
1326 | u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1); | |
1327 | u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); | |
f1c0a02f | 1328 | |
9e79261f MB |
1329 | /* Enable sloping stopband filter for low sample rates */ |
1330 | if (fs <= 24000) | |
1331 | dac_digital1 |= WM8903_DAC_SB_FILT; | |
1332 | else | |
1333 | dac_digital1 &= ~WM8903_DAC_SB_FILT; | |
1334 | ||
f1c0a02f MB |
1335 | /* Configure sample rate logic for DSP - choose nearest rate */ |
1336 | dsp_config = 0; | |
1337 | best_val = abs(sample_rates[dsp_config].rate - fs); | |
1338 | for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { | |
1339 | cur_val = abs(sample_rates[i].rate - fs); | |
1340 | if (cur_val <= best_val) { | |
1341 | dsp_config = i; | |
1342 | best_val = cur_val; | |
1343 | } | |
1344 | } | |
1345 | ||
f0fba2ad | 1346 | dev_dbg(codec->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate); |
f1c0a02f MB |
1347 | clock1 &= ~WM8903_SAMPLE_RATE_MASK; |
1348 | clock1 |= sample_rates[dsp_config].value; | |
1349 | ||
1350 | aif1 &= ~WM8903_AIF_WL_MASK; | |
1351 | bclk = 2 * fs; | |
1352 | switch (params_format(params)) { | |
1353 | case SNDRV_PCM_FORMAT_S16_LE: | |
1354 | bclk *= 16; | |
1355 | break; | |
1356 | case SNDRV_PCM_FORMAT_S20_3LE: | |
1357 | bclk *= 20; | |
1358 | aif1 |= 0x4; | |
1359 | break; | |
1360 | case SNDRV_PCM_FORMAT_S24_LE: | |
1361 | bclk *= 24; | |
1362 | aif1 |= 0x8; | |
1363 | break; | |
1364 | case SNDRV_PCM_FORMAT_S32_LE: | |
1365 | bclk *= 32; | |
1366 | aif1 |= 0xc; | |
1367 | break; | |
1368 | default: | |
1369 | return -EINVAL; | |
1370 | } | |
1371 | ||
f0fba2ad | 1372 | dev_dbg(codec->dev, "MCLK = %dHz, target sample rate = %dHz\n", |
f1c0a02f MB |
1373 | wm8903->sysclk, fs); |
1374 | ||
1375 | /* We may not have an MCLK which allows us to generate exactly | |
1376 | * the clock we want, particularly with USB derived inputs, so | |
1377 | * approximate. | |
1378 | */ | |
1379 | clk_config = 0; | |
1380 | best_val = abs((wm8903->sysclk / | |
1381 | (clk_sys_ratios[0].mclk_div * | |
1382 | clk_sys_ratios[0].div)) - fs); | |
1383 | for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) { | |
1384 | cur_val = abs((wm8903->sysclk / | |
1385 | (clk_sys_ratios[i].mclk_div * | |
1386 | clk_sys_ratios[i].div)) - fs); | |
1387 | ||
1388 | if (cur_val <= best_val) { | |
1389 | clk_config = i; | |
1390 | best_val = cur_val; | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | if (clk_sys_ratios[clk_config].mclk_div == 2) { | |
1395 | clock0 |= WM8903_MCLKDIV2; | |
1396 | clk_sys = wm8903->sysclk / 2; | |
1397 | } else { | |
1398 | clock0 &= ~WM8903_MCLKDIV2; | |
1399 | clk_sys = wm8903->sysclk; | |
1400 | } | |
1401 | ||
1402 | clock1 &= ~(WM8903_CLK_SYS_RATE_MASK | | |
1403 | WM8903_CLK_SYS_MODE_MASK); | |
1404 | clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT; | |
1405 | clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT; | |
1406 | ||
f0fba2ad | 1407 | dev_dbg(codec->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n", |
f1c0a02f MB |
1408 | clk_sys_ratios[clk_config].rate, |
1409 | clk_sys_ratios[clk_config].mode, | |
1410 | clk_sys_ratios[clk_config].div); | |
1411 | ||
f0fba2ad | 1412 | dev_dbg(codec->dev, "Actual CLK_SYS = %dHz\n", clk_sys); |
f1c0a02f MB |
1413 | |
1414 | /* We may not get quite the right frequency if using | |
1415 | * approximate clocks so look for the closest match that is | |
1416 | * higher than the target (we need to ensure that there enough | |
1417 | * BCLKs to clock out the samples). | |
1418 | */ | |
1419 | bclk_div = 0; | |
1420 | best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk; | |
1421 | i = 1; | |
1422 | while (i < ARRAY_SIZE(bclk_divs)) { | |
1423 | cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk; | |
1424 | if (cur_val < 0) /* BCLK table is sorted */ | |
1425 | break; | |
1426 | bclk_div = i; | |
1427 | best_val = cur_val; | |
1428 | i++; | |
1429 | } | |
1430 | ||
1431 | aif2 &= ~WM8903_BCLK_DIV_MASK; | |
1432 | aif3 &= ~WM8903_LRCLK_RATE_MASK; | |
1433 | ||
f0fba2ad | 1434 | dev_dbg(codec->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n", |
f1c0a02f MB |
1435 | bclk_divs[bclk_div].ratio / 10, bclk, |
1436 | (clk_sys * 10) / bclk_divs[bclk_div].ratio); | |
1437 | ||
1438 | aif2 |= bclk_divs[bclk_div].div; | |
1439 | aif3 |= bclk / fs; | |
1440 | ||
69fff9bb MB |
1441 | wm8903->fs = params_rate(params); |
1442 | wm8903_set_deemph(codec); | |
1443 | ||
8d50e447 MB |
1444 | snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0); |
1445 | snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1); | |
1446 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1); | |
1447 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_2, aif2); | |
1448 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_3, aif3); | |
1449 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1); | |
f1c0a02f MB |
1450 | |
1451 | return 0; | |
1452 | } | |
1453 | ||
7245387e MB |
1454 | /** |
1455 | * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ | |
1456 | * | |
1457 | * @codec: WM8903 codec | |
1458 | * @jack: jack to report detection events on | |
1459 | * @det: value to report for presence detection | |
1460 | * @shrt: value to report for short detection | |
1461 | * | |
1462 | * Enable microphone detection via IRQ on the WM8903. If GPIOs are | |
1463 | * being used to bring out signals to the processor then only platform | |
1464 | * data configuration is needed for WM8903 and processor GPIOs should | |
1465 | * be configured using snd_soc_jack_add_gpios() instead. | |
1466 | * | |
1467 | * The current threasholds for detection should be configured using | |
1468 | * micdet_cfg in the platform data. Using this function will force on | |
1469 | * the microphone bias for the device. | |
1470 | */ | |
1471 | int wm8903_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, | |
1472 | int det, int shrt) | |
1473 | { | |
b2c812e2 | 1474 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
69266866 | 1475 | int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT; |
7245387e MB |
1476 | |
1477 | dev_dbg(codec->dev, "Enabling microphone detection: %x %x\n", | |
1478 | det, shrt); | |
1479 | ||
1480 | /* Store the configuration */ | |
1481 | wm8903->mic_jack = jack; | |
1482 | wm8903->mic_det = det; | |
1483 | wm8903->mic_short = shrt; | |
1484 | ||
1485 | /* Enable interrupts we've got a report configured for */ | |
1486 | if (det) | |
1487 | irq_mask &= ~WM8903_MICDET_EINT; | |
1488 | if (shrt) | |
1489 | irq_mask &= ~WM8903_MICSHRT_EINT; | |
1490 | ||
1491 | snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK, | |
1492 | WM8903_MICDET_EINT | WM8903_MICSHRT_EINT, | |
1493 | irq_mask); | |
1494 | ||
69266866 MB |
1495 | if (det && shrt) { |
1496 | /* Enable mic detection, this may not have been set through | |
1497 | * platform data (eg, if the defaults are OK). */ | |
1498 | snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0, | |
1499 | WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); | |
1500 | snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1501 | WM8903_MICDET_ENA, WM8903_MICDET_ENA); | |
1502 | } else { | |
1503 | snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1504 | WM8903_MICDET_ENA, 0); | |
1505 | } | |
7245387e MB |
1506 | |
1507 | return 0; | |
1508 | } | |
1509 | EXPORT_SYMBOL_GPL(wm8903_mic_detect); | |
1510 | ||
8abd16a6 MB |
1511 | static irqreturn_t wm8903_irq(int irq, void *data) |
1512 | { | |
f0fba2ad LG |
1513 | struct snd_soc_codec *codec = data; |
1514 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); | |
7245387e MB |
1515 | int mic_report; |
1516 | int int_pol; | |
1517 | int int_val = 0; | |
1518 | int mask = ~snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1_MASK); | |
8abd16a6 | 1519 | |
7245387e | 1520 | int_val = snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1) & mask; |
8abd16a6 | 1521 | |
7245387e | 1522 | if (int_val & WM8903_WSEQ_BUSY_EINT) { |
8abd16a6 MB |
1523 | dev_dbg(codec->dev, "Write sequencer done\n"); |
1524 | complete(&wm8903->wseq); | |
1525 | } | |
1526 | ||
7245387e MB |
1527 | /* |
1528 | * The rest is microphone jack detection. We need to manually | |
1529 | * invert the polarity of the interrupt after each event - to | |
1530 | * simplify the code keep track of the last state we reported | |
1531 | * and just invert the relevant bits in both the report and | |
1532 | * the polarity register. | |
1533 | */ | |
1534 | mic_report = wm8903->mic_last_report; | |
1535 | int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1); | |
1536 | ||
2bbb5d66 MB |
1537 | if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT)) |
1538 | trace_snd_soc_jack_irq(dev_name(codec->dev)); | |
1539 | ||
7245387e MB |
1540 | if (int_val & WM8903_MICSHRT_EINT) { |
1541 | dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol); | |
1542 | ||
1543 | mic_report ^= wm8903->mic_short; | |
1544 | int_pol ^= WM8903_MICSHRT_INV; | |
1545 | } | |
1546 | ||
1547 | if (int_val & WM8903_MICDET_EINT) { | |
1548 | dev_dbg(codec->dev, "Microphone detect (pol=%x)\n", int_pol); | |
1549 | ||
1550 | mic_report ^= wm8903->mic_det; | |
1551 | int_pol ^= WM8903_MICDET_INV; | |
1552 | ||
1553 | msleep(wm8903->mic_delay); | |
1554 | } | |
1555 | ||
1556 | snd_soc_update_bits(codec, WM8903_INTERRUPT_POLARITY_1, | |
1557 | WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol); | |
1558 | ||
1559 | snd_soc_jack_report(wm8903->mic_jack, mic_report, | |
1560 | wm8903->mic_short | wm8903->mic_det); | |
1561 | ||
1562 | wm8903->mic_last_report = mic_report; | |
1563 | ||
8abd16a6 MB |
1564 | return IRQ_HANDLED; |
1565 | } | |
1566 | ||
f1c0a02f MB |
1567 | #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\ |
1568 | SNDRV_PCM_RATE_11025 | \ | |
1569 | SNDRV_PCM_RATE_16000 | \ | |
1570 | SNDRV_PCM_RATE_22050 | \ | |
1571 | SNDRV_PCM_RATE_32000 | \ | |
1572 | SNDRV_PCM_RATE_44100 | \ | |
1573 | SNDRV_PCM_RATE_48000 | \ | |
1574 | SNDRV_PCM_RATE_88200 | \ | |
1575 | SNDRV_PCM_RATE_96000) | |
1576 | ||
1577 | #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\ | |
1578 | SNDRV_PCM_RATE_11025 | \ | |
1579 | SNDRV_PCM_RATE_16000 | \ | |
1580 | SNDRV_PCM_RATE_22050 | \ | |
1581 | SNDRV_PCM_RATE_32000 | \ | |
1582 | SNDRV_PCM_RATE_44100 | \ | |
1583 | SNDRV_PCM_RATE_48000) | |
1584 | ||
1585 | #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ | |
1586 | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1587 | SNDRV_PCM_FMTBIT_S24_LE) | |
1588 | ||
6335d055 | 1589 | static struct snd_soc_dai_ops wm8903_dai_ops = { |
6335d055 EM |
1590 | .hw_params = wm8903_hw_params, |
1591 | .digital_mute = wm8903_digital_mute, | |
1592 | .set_fmt = wm8903_set_dai_fmt, | |
1593 | .set_sysclk = wm8903_set_dai_sysclk, | |
1594 | }; | |
1595 | ||
f0fba2ad LG |
1596 | static struct snd_soc_dai_driver wm8903_dai = { |
1597 | .name = "wm8903-hifi", | |
f1c0a02f MB |
1598 | .playback = { |
1599 | .stream_name = "Playback", | |
1600 | .channels_min = 2, | |
1601 | .channels_max = 2, | |
1602 | .rates = WM8903_PLAYBACK_RATES, | |
1603 | .formats = WM8903_FORMATS, | |
1604 | }, | |
1605 | .capture = { | |
1606 | .stream_name = "Capture", | |
1607 | .channels_min = 2, | |
1608 | .channels_max = 2, | |
1609 | .rates = WM8903_CAPTURE_RATES, | |
1610 | .formats = WM8903_FORMATS, | |
1611 | }, | |
6335d055 | 1612 | .ops = &wm8903_dai_ops, |
0d960e88 | 1613 | .symmetric_rates = 1, |
f1c0a02f | 1614 | }; |
f1c0a02f | 1615 | |
f0fba2ad | 1616 | static int wm8903_suspend(struct snd_soc_codec *codec, pm_message_t state) |
f1c0a02f | 1617 | { |
f1c0a02f MB |
1618 | wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF); |
1619 | ||
1620 | return 0; | |
1621 | } | |
1622 | ||
f0fba2ad | 1623 | static int wm8903_resume(struct snd_soc_codec *codec) |
f1c0a02f | 1624 | { |
f1c0a02f MB |
1625 | int i; |
1626 | u16 *reg_cache = codec->reg_cache; | |
40aa7030 | 1627 | u16 *tmp_cache = kmemdup(reg_cache, sizeof(wm8903_reg_defaults), |
f1c0a02f MB |
1628 | GFP_KERNEL); |
1629 | ||
1630 | /* Bring the codec back up to standby first to minimise pop/clicks */ | |
1631 | wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
f1c0a02f MB |
1632 | |
1633 | /* Sync back everything else */ | |
1634 | if (tmp_cache) { | |
1635 | for (i = 2; i < ARRAY_SIZE(wm8903_reg_defaults); i++) | |
1636 | if (tmp_cache[i] != reg_cache[i]) | |
8d50e447 | 1637 | snd_soc_write(codec, i, tmp_cache[i]); |
40aa7030 | 1638 | kfree(tmp_cache); |
f1c0a02f | 1639 | } else { |
f0fba2ad | 1640 | dev_err(codec->dev, "Failed to allocate temporary cache\n"); |
f1c0a02f MB |
1641 | } |
1642 | ||
1643 | return 0; | |
1644 | } | |
1645 | ||
f0fba2ad | 1646 | static int wm8903_probe(struct snd_soc_codec *codec) |
f1c0a02f | 1647 | { |
f0fba2ad LG |
1648 | struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev); |
1649 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); | |
73b34ead | 1650 | int ret, i; |
8abd16a6 | 1651 | int trigger, irq_pol; |
f1c0a02f MB |
1652 | u16 val; |
1653 | ||
8abd16a6 | 1654 | init_completion(&wm8903->wseq); |
d58d5d55 | 1655 | |
8d50e447 MB |
1656 | ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); |
1657 | if (ret != 0) { | |
f0fba2ad LG |
1658 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); |
1659 | return ret; | |
8d50e447 MB |
1660 | } |
1661 | ||
1662 | val = snd_soc_read(codec, WM8903_SW_RESET_AND_ID); | |
d58d5d55 | 1663 | if (val != wm8903_reg_defaults[WM8903_SW_RESET_AND_ID]) { |
f0fba2ad | 1664 | dev_err(codec->dev, |
d58d5d55 MB |
1665 | "Device with ID register %x is not a WM8903\n", val); |
1666 | return -ENODEV; | |
f1c0a02f MB |
1667 | } |
1668 | ||
8d50e447 | 1669 | val = snd_soc_read(codec, WM8903_REVISION_NUMBER); |
f0fba2ad | 1670 | dev_info(codec->dev, "WM8903 revision %d\n", |
f1c0a02f MB |
1671 | val & WM8903_CHIP_REV_MASK); |
1672 | ||
1673 | wm8903_reset(codec); | |
1674 | ||
37f88e84 | 1675 | /* Set up GPIOs and microphone detection */ |
73b34ead MB |
1676 | if (pdata) { |
1677 | for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { | |
1678 | if (!pdata->gpio_cfg[i]) | |
1679 | continue; | |
1680 | ||
1681 | snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i, | |
1682 | pdata->gpio_cfg[i] & 0xffff); | |
1683 | } | |
37f88e84 MB |
1684 | |
1685 | snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1686 | pdata->micdet_cfg); | |
1687 | ||
1688 | /* Microphone detection needs the WSEQ clock */ | |
1689 | if (pdata->micdet_cfg) | |
1690 | snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0, | |
1691 | WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); | |
1692 | ||
1693 | wm8903->mic_delay = pdata->micdet_delay; | |
73b34ead | 1694 | } |
8abd16a6 | 1695 | |
f0fba2ad | 1696 | if (wm8903->irq) { |
8abd16a6 MB |
1697 | if (pdata && pdata->irq_active_low) { |
1698 | trigger = IRQF_TRIGGER_LOW; | |
1699 | irq_pol = WM8903_IRQ_POL; | |
1700 | } else { | |
1701 | trigger = IRQF_TRIGGER_HIGH; | |
1702 | irq_pol = 0; | |
1703 | } | |
1704 | ||
1705 | snd_soc_update_bits(codec, WM8903_INTERRUPT_CONTROL, | |
1706 | WM8903_IRQ_POL, irq_pol); | |
1707 | ||
f0fba2ad | 1708 | ret = request_threaded_irq(wm8903->irq, NULL, wm8903_irq, |
8abd16a6 | 1709 | trigger | IRQF_ONESHOT, |
f0fba2ad | 1710 | "wm8903", codec); |
8abd16a6 | 1711 | if (ret != 0) { |
f0fba2ad | 1712 | dev_err(codec->dev, "Failed to request IRQ: %d\n", |
8abd16a6 | 1713 | ret); |
f0fba2ad | 1714 | return ret; |
8abd16a6 MB |
1715 | } |
1716 | ||
1717 | /* Enable write sequencer interrupts */ | |
1718 | snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK, | |
1719 | WM8903_IM_WSEQ_BUSY_EINT, 0); | |
1720 | } | |
73b34ead | 1721 | |
f1c0a02f MB |
1722 | /* power on device */ |
1723 | wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1724 | ||
1725 | /* Latch volume update bits */ | |
8d50e447 | 1726 | val = snd_soc_read(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT); |
f1c0a02f | 1727 | val |= WM8903_ADCVU; |
8d50e447 MB |
1728 | snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT, val); |
1729 | snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_RIGHT, val); | |
f1c0a02f | 1730 | |
8d50e447 | 1731 | val = snd_soc_read(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT); |
f1c0a02f | 1732 | val |= WM8903_DACVU; |
8d50e447 MB |
1733 | snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT, val); |
1734 | snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_RIGHT, val); | |
f1c0a02f | 1735 | |
8d50e447 | 1736 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT1_LEFT); |
f1c0a02f | 1737 | val |= WM8903_HPOUTVU; |
8d50e447 MB |
1738 | snd_soc_write(codec, WM8903_ANALOGUE_OUT1_LEFT, val); |
1739 | snd_soc_write(codec, WM8903_ANALOGUE_OUT1_RIGHT, val); | |
f1c0a02f | 1740 | |
8d50e447 | 1741 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT2_LEFT); |
f1c0a02f | 1742 | val |= WM8903_LINEOUTVU; |
8d50e447 MB |
1743 | snd_soc_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val); |
1744 | snd_soc_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val); | |
f1c0a02f | 1745 | |
8d50e447 | 1746 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT3_LEFT); |
f1c0a02f | 1747 | val |= WM8903_SPKVU; |
8d50e447 MB |
1748 | snd_soc_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val); |
1749 | snd_soc_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val); | |
f1c0a02f MB |
1750 | |
1751 | /* Enable DAC soft mute by default */ | |
8d50e447 | 1752 | val = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); |
f1c0a02f | 1753 | val |= WM8903_DAC_MUTEMODE; |
8d50e447 | 1754 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, val); |
f1c0a02f | 1755 | |
f0fba2ad LG |
1756 | snd_soc_add_controls(codec, wm8903_snd_controls, |
1757 | ARRAY_SIZE(wm8903_snd_controls)); | |
1758 | wm8903_add_widgets(codec); | |
f1c0a02f | 1759 | |
f1c0a02f MB |
1760 | return ret; |
1761 | } | |
1762 | ||
f0fba2ad LG |
1763 | /* power down chip */ |
1764 | static int wm8903_remove(struct snd_soc_codec *codec) | |
f1c0a02f | 1765 | { |
f0fba2ad LG |
1766 | wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF); |
1767 | return 0; | |
1768 | } | |
f1c0a02f | 1769 | |
f0fba2ad LG |
1770 | static struct snd_soc_codec_driver soc_codec_dev_wm8903 = { |
1771 | .probe = wm8903_probe, | |
1772 | .remove = wm8903_remove, | |
1773 | .suspend = wm8903_suspend, | |
1774 | .resume = wm8903_resume, | |
1775 | .set_bias_level = wm8903_set_bias_level, | |
1776 | .reg_cache_size = ARRAY_SIZE(wm8903_reg_defaults), | |
1777 | .reg_word_size = sizeof(u16), | |
1778 | .reg_cache_default = wm8903_reg_defaults, | |
1779 | .volatile_register = wm8903_volatile_register, | |
1780 | }; | |
f1c0a02f | 1781 | |
f0fba2ad LG |
1782 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
1783 | static __devinit int wm8903_i2c_probe(struct i2c_client *i2c, | |
1784 | const struct i2c_device_id *id) | |
1785 | { | |
1786 | struct wm8903_priv *wm8903; | |
1787 | int ret; | |
f1c0a02f | 1788 | |
f0fba2ad LG |
1789 | wm8903 = kzalloc(sizeof(struct wm8903_priv), GFP_KERNEL); |
1790 | if (wm8903 == NULL) | |
1791 | return -ENOMEM; | |
8abd16a6 | 1792 | |
f0fba2ad | 1793 | i2c_set_clientdata(i2c, wm8903); |
f0fba2ad | 1794 | wm8903->irq = i2c->irq; |
d58d5d55 | 1795 | |
f0fba2ad LG |
1796 | ret = snd_soc_register_codec(&i2c->dev, |
1797 | &soc_codec_dev_wm8903, &wm8903_dai, 1); | |
1798 | if (ret < 0) | |
1799 | kfree(wm8903); | |
1800 | return ret; | |
1801 | } | |
f1c0a02f | 1802 | |
f0fba2ad LG |
1803 | static __devexit int wm8903_i2c_remove(struct i2c_client *client) |
1804 | { | |
1805 | snd_soc_unregister_codec(&client->dev); | |
1806 | kfree(i2c_get_clientdata(client)); | |
f1c0a02f MB |
1807 | return 0; |
1808 | } | |
1809 | ||
f1c0a02f | 1810 | static const struct i2c_device_id wm8903_i2c_id[] = { |
f0fba2ad LG |
1811 | { "wm8903", 0 }, |
1812 | { } | |
f1c0a02f MB |
1813 | }; |
1814 | MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id); | |
1815 | ||
1816 | static struct i2c_driver wm8903_i2c_driver = { | |
1817 | .driver = { | |
f0fba2ad | 1818 | .name = "wm8903-codec", |
f1c0a02f MB |
1819 | .owner = THIS_MODULE, |
1820 | }, | |
f0fba2ad LG |
1821 | .probe = wm8903_i2c_probe, |
1822 | .remove = __devexit_p(wm8903_i2c_remove), | |
f1c0a02f MB |
1823 | .id_table = wm8903_i2c_id, |
1824 | }; | |
f0fba2ad | 1825 | #endif |
f1c0a02f | 1826 | |
f0fba2ad | 1827 | static int __init wm8903_modinit(void) |
f1c0a02f | 1828 | { |
f1c0a02f | 1829 | int ret = 0; |
f0fba2ad LG |
1830 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
1831 | ret = i2c_add_driver(&wm8903_i2c_driver); | |
1832 | if (ret != 0) { | |
1833 | printk(KERN_ERR "Failed to register wm8903 I2C driver: %d\n", | |
1834 | ret); | |
f1c0a02f | 1835 | } |
f0fba2ad | 1836 | #endif |
f1c0a02f | 1837 | return ret; |
64089b84 MB |
1838 | } |
1839 | module_init(wm8903_modinit); | |
1840 | ||
1841 | static void __exit wm8903_exit(void) | |
1842 | { | |
f0fba2ad | 1843 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
d58d5d55 | 1844 | i2c_del_driver(&wm8903_i2c_driver); |
f0fba2ad | 1845 | #endif |
64089b84 MB |
1846 | } |
1847 | module_exit(wm8903_exit); | |
1848 | ||
f1c0a02f MB |
1849 | MODULE_DESCRIPTION("ASoC WM8903 driver"); |
1850 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>"); | |
1851 | MODULE_LICENSE("GPL"); |