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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> | |
32 | #include <sound/soc-dapm.h> | |
33 | #include <sound/initval.h> | |
8abd16a6 | 34 | #include <sound/wm8903.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 MB |
215 | struct wm8903_priv { |
216 | struct snd_soc_codec codec; | |
217 | u16 reg_cache[ARRAY_SIZE(wm8903_reg_defaults)]; | |
218 | ||
219 | int sysclk; | |
220 | ||
221 | /* Reference counts */ | |
d58d5d55 MB |
222 | int class_w_users; |
223 | int playback_active; | |
224 | int capture_active; | |
225 | ||
8abd16a6 MB |
226 | struct completion wseq; |
227 | ||
7245387e MB |
228 | struct snd_soc_jack *mic_jack; |
229 | int mic_det; | |
230 | int mic_short; | |
231 | int mic_last_report; | |
232 | int mic_delay; | |
233 | ||
d58d5d55 MB |
234 | struct snd_pcm_substream *master_substream; |
235 | struct snd_pcm_substream *slave_substream; | |
236 | }; | |
237 | ||
8d50e447 | 238 | static int wm8903_volatile_register(unsigned int reg) |
f1c0a02f MB |
239 | { |
240 | switch (reg) { | |
241 | case WM8903_SW_RESET_AND_ID: | |
242 | case WM8903_REVISION_NUMBER: | |
243 | case WM8903_INTERRUPT_STATUS_1: | |
244 | case WM8903_WRITE_SEQUENCER_4: | |
8d50e447 | 245 | return 1; |
f1c0a02f MB |
246 | |
247 | default: | |
f1c0a02f | 248 | return 0; |
8d50e447 | 249 | } |
f1c0a02f MB |
250 | } |
251 | ||
252 | static int wm8903_run_sequence(struct snd_soc_codec *codec, unsigned int start) | |
253 | { | |
254 | u16 reg[5]; | |
255 | struct i2c_client *i2c = codec->control_data; | |
b2c812e2 | 256 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
257 | |
258 | BUG_ON(start > 48); | |
259 | ||
37f88e84 | 260 | /* Enable the sequencer if it's not already on */ |
8d50e447 | 261 | reg[0] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_0); |
37f88e84 MB |
262 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, |
263 | reg[0] | WM8903_WSEQ_ENA); | |
f1c0a02f MB |
264 | |
265 | dev_dbg(&i2c->dev, "Starting sequence at %d\n", start); | |
266 | ||
8d50e447 | 267 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_3, |
f1c0a02f MB |
268 | start | WM8903_WSEQ_START); |
269 | ||
270 | /* Wait for it to complete. If we have the interrupt wired up then | |
8abd16a6 | 271 | * that will break us out of the poll early. |
f1c0a02f MB |
272 | */ |
273 | do { | |
8abd16a6 MB |
274 | wait_for_completion_timeout(&wm8903->wseq, |
275 | msecs_to_jiffies(10)); | |
f1c0a02f | 276 | |
8d50e447 | 277 | reg[4] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_4); |
f1c0a02f MB |
278 | } while (reg[4] & WM8903_WSEQ_BUSY); |
279 | ||
280 | dev_dbg(&i2c->dev, "Sequence complete\n"); | |
281 | ||
37f88e84 MB |
282 | /* Disable the sequencer again if we enabled it */ |
283 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, reg[0]); | |
f1c0a02f MB |
284 | |
285 | return 0; | |
286 | } | |
287 | ||
288 | static void wm8903_sync_reg_cache(struct snd_soc_codec *codec, u16 *cache) | |
289 | { | |
290 | int i; | |
291 | ||
292 | /* There really ought to be something better we can do here :/ */ | |
293 | for (i = 0; i < ARRAY_SIZE(wm8903_reg_defaults); i++) | |
8d50e447 | 294 | cache[i] = codec->hw_read(codec, i); |
f1c0a02f MB |
295 | } |
296 | ||
297 | static void wm8903_reset(struct snd_soc_codec *codec) | |
298 | { | |
8d50e447 | 299 | snd_soc_write(codec, WM8903_SW_RESET_AND_ID, 0); |
d58d5d55 MB |
300 | memcpy(codec->reg_cache, wm8903_reg_defaults, |
301 | sizeof(wm8903_reg_defaults)); | |
f1c0a02f MB |
302 | } |
303 | ||
304 | #define WM8903_OUTPUT_SHORT 0x8 | |
305 | #define WM8903_OUTPUT_OUT 0x4 | |
306 | #define WM8903_OUTPUT_INT 0x2 | |
307 | #define WM8903_OUTPUT_IN 0x1 | |
308 | ||
42768a12 MB |
309 | static int wm8903_cp_event(struct snd_soc_dapm_widget *w, |
310 | struct snd_kcontrol *kcontrol, int event) | |
311 | { | |
312 | WARN_ON(event != SND_SOC_DAPM_POST_PMU); | |
313 | mdelay(4); | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
f1c0a02f MB |
318 | /* |
319 | * Event for headphone and line out amplifier power changes. Special | |
320 | * power up/down sequences are required in order to maximise pop/click | |
321 | * performance. | |
322 | */ | |
323 | static int wm8903_output_event(struct snd_soc_dapm_widget *w, | |
324 | struct snd_kcontrol *kcontrol, int event) | |
325 | { | |
326 | struct snd_soc_codec *codec = w->codec; | |
f1c0a02f | 327 | u16 val; |
0bc286e2 | 328 | u16 reg; |
d7d5c547 MB |
329 | u16 dcs_reg; |
330 | u16 dcs_bit; | |
0bc286e2 | 331 | int shift; |
f1c0a02f MB |
332 | |
333 | switch (w->reg) { | |
334 | case WM8903_POWER_MANAGEMENT_2: | |
335 | reg = WM8903_ANALOGUE_HP_0; | |
d7d5c547 | 336 | dcs_bit = 0 + w->shift; |
f1c0a02f MB |
337 | break; |
338 | case WM8903_POWER_MANAGEMENT_3: | |
339 | reg = WM8903_ANALOGUE_LINEOUT_0; | |
d7d5c547 | 340 | dcs_bit = 2 + w->shift; |
f1c0a02f MB |
341 | break; |
342 | default: | |
343 | BUG(); | |
1e297a19 | 344 | return -EINVAL; /* Spurious warning from some compilers */ |
f1c0a02f MB |
345 | } |
346 | ||
347 | switch (w->shift) { | |
348 | case 0: | |
349 | shift = 0; | |
350 | break; | |
351 | case 1: | |
352 | shift = 4; | |
353 | break; | |
354 | default: | |
355 | BUG(); | |
1e297a19 | 356 | return -EINVAL; /* Spurious warning from some compilers */ |
f1c0a02f MB |
357 | } |
358 | ||
359 | if (event & SND_SOC_DAPM_PRE_PMU) { | |
8d50e447 | 360 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
361 | |
362 | /* Short the output */ | |
363 | val &= ~(WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 364 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
365 | } |
366 | ||
367 | if (event & SND_SOC_DAPM_POST_PMU) { | |
8d50e447 | 368 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
369 | |
370 | val |= (WM8903_OUTPUT_IN << shift); | |
8d50e447 | 371 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
372 | |
373 | val |= (WM8903_OUTPUT_INT << shift); | |
8d50e447 | 374 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
375 | |
376 | /* Turn on the output ENA_OUTP */ | |
377 | val |= (WM8903_OUTPUT_OUT << shift); | |
8d50e447 | 378 | snd_soc_write(codec, reg, val); |
f1c0a02f | 379 | |
d7d5c547 | 380 | /* Enable the DC servo */ |
8d50e447 | 381 | dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0); |
d7d5c547 | 382 | dcs_reg |= dcs_bit; |
8d50e447 | 383 | snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg); |
d7d5c547 | 384 | |
f1c0a02f MB |
385 | /* Remove the short */ |
386 | val |= (WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 387 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
388 | } |
389 | ||
390 | if (event & SND_SOC_DAPM_PRE_PMD) { | |
8d50e447 | 391 | val = snd_soc_read(codec, reg); |
f1c0a02f MB |
392 | |
393 | /* Short the output */ | |
394 | val &= ~(WM8903_OUTPUT_SHORT << shift); | |
8d50e447 | 395 | snd_soc_write(codec, reg, val); |
f1c0a02f | 396 | |
d7d5c547 | 397 | /* Disable the DC servo */ |
8d50e447 | 398 | dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0); |
d7d5c547 | 399 | dcs_reg &= ~dcs_bit; |
8d50e447 | 400 | snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg); |
d7d5c547 | 401 | |
f1c0a02f MB |
402 | /* Then disable the intermediate and output stages */ |
403 | val &= ~((WM8903_OUTPUT_OUT | WM8903_OUTPUT_INT | | |
404 | WM8903_OUTPUT_IN) << shift); | |
8d50e447 | 405 | snd_soc_write(codec, reg, val); |
f1c0a02f MB |
406 | } |
407 | ||
f1c0a02f MB |
408 | return 0; |
409 | } | |
410 | ||
411 | /* | |
412 | * When used with DAC outputs only the WM8903 charge pump supports | |
413 | * operation in class W mode, providing very low power consumption | |
414 | * when used with digital sources. Enable and disable this mode | |
415 | * automatically depending on the mixer configuration. | |
416 | * | |
417 | * All the relevant controls are simple switches. | |
418 | */ | |
419 | static int wm8903_class_w_put(struct snd_kcontrol *kcontrol, | |
420 | struct snd_ctl_elem_value *ucontrol) | |
421 | { | |
422 | struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); | |
423 | struct snd_soc_codec *codec = widget->codec; | |
b2c812e2 | 424 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
425 | struct i2c_client *i2c = codec->control_data; |
426 | u16 reg; | |
427 | int ret; | |
428 | ||
8d50e447 | 429 | reg = snd_soc_read(codec, WM8903_CLASS_W_0); |
f1c0a02f MB |
430 | |
431 | /* Turn it off if we're about to enable bypass */ | |
432 | if (ucontrol->value.integer.value[0]) { | |
433 | if (wm8903->class_w_users == 0) { | |
434 | dev_dbg(&i2c->dev, "Disabling Class W\n"); | |
8d50e447 | 435 | snd_soc_write(codec, WM8903_CLASS_W_0, reg & |
f1c0a02f MB |
436 | ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V)); |
437 | } | |
438 | wm8903->class_w_users++; | |
439 | } | |
440 | ||
441 | /* Implement the change */ | |
442 | ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol); | |
443 | ||
444 | /* If we've just disabled the last bypass path turn Class W on */ | |
445 | if (!ucontrol->value.integer.value[0]) { | |
446 | if (wm8903->class_w_users == 1) { | |
447 | dev_dbg(&i2c->dev, "Enabling Class W\n"); | |
8d50e447 | 448 | snd_soc_write(codec, WM8903_CLASS_W_0, reg | |
f1c0a02f MB |
449 | WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); |
450 | } | |
451 | wm8903->class_w_users--; | |
452 | } | |
453 | ||
454 | dev_dbg(&i2c->dev, "Bypass use count now %d\n", | |
455 | wm8903->class_w_users); | |
456 | ||
457 | return ret; | |
458 | } | |
459 | ||
460 | #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \ | |
461 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
462 | .info = snd_soc_info_volsw, \ | |
463 | .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \ | |
464 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } | |
465 | ||
466 | ||
467 | /* ALSA can only do steps of .01dB */ | |
468 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); | |
469 | ||
291ce18c | 470 | static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0); |
f1c0a02f MB |
471 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
472 | ||
473 | static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0); | |
474 | static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0); | |
475 | static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0); | |
476 | static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0); | |
477 | static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0); | |
478 | ||
479 | static const char *drc_slope_text[] = { | |
480 | "1", "1/2", "1/4", "1/8", "1/16", "0" | |
481 | }; | |
482 | ||
483 | static const struct soc_enum drc_slope_r0 = | |
484 | SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text); | |
485 | ||
486 | static const struct soc_enum drc_slope_r1 = | |
487 | SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text); | |
488 | ||
489 | static const char *drc_attack_text[] = { | |
490 | "instantaneous", | |
491 | "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms", | |
492 | "46.4ms", "92.8ms", "185.6ms" | |
493 | }; | |
494 | ||
495 | static const struct soc_enum drc_attack = | |
496 | SOC_ENUM_SINGLE(WM8903_DRC_1, 12, 11, drc_attack_text); | |
497 | ||
498 | static const char *drc_decay_text[] = { | |
499 | "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s", | |
500 | "23.87s", "47.56s" | |
501 | }; | |
502 | ||
503 | static const struct soc_enum drc_decay = | |
504 | SOC_ENUM_SINGLE(WM8903_DRC_1, 8, 9, drc_decay_text); | |
505 | ||
506 | static const char *drc_ff_delay_text[] = { | |
507 | "5 samples", "9 samples" | |
508 | }; | |
509 | ||
510 | static const struct soc_enum drc_ff_delay = | |
511 | SOC_ENUM_SINGLE(WM8903_DRC_0, 5, 2, drc_ff_delay_text); | |
512 | ||
513 | static const char *drc_qr_decay_text[] = { | |
514 | "0.725ms", "1.45ms", "5.8ms" | |
515 | }; | |
516 | ||
517 | static const struct soc_enum drc_qr_decay = | |
518 | SOC_ENUM_SINGLE(WM8903_DRC_1, 4, 3, drc_qr_decay_text); | |
519 | ||
520 | static const char *drc_smoothing_text[] = { | |
521 | "Low", "Medium", "High" | |
522 | }; | |
523 | ||
524 | static const struct soc_enum drc_smoothing = | |
525 | SOC_ENUM_SINGLE(WM8903_DRC_0, 11, 3, drc_smoothing_text); | |
526 | ||
527 | static const char *soft_mute_text[] = { | |
528 | "Fast (fs/2)", "Slow (fs/32)" | |
529 | }; | |
530 | ||
531 | static const struct soc_enum soft_mute = | |
532 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text); | |
533 | ||
534 | static const char *mute_mode_text[] = { | |
535 | "Hard", "Soft" | |
536 | }; | |
537 | ||
538 | static const struct soc_enum mute_mode = | |
539 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text); | |
540 | ||
541 | static const char *dac_deemphasis_text[] = { | |
542 | "Disabled", "32kHz", "44.1kHz", "48kHz" | |
543 | }; | |
544 | ||
545 | static const struct soc_enum dac_deemphasis = | |
546 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 1, 4, dac_deemphasis_text); | |
547 | ||
548 | static const char *companding_text[] = { | |
549 | "ulaw", "alaw" | |
550 | }; | |
551 | ||
552 | static const struct soc_enum dac_companding = | |
553 | SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text); | |
554 | ||
555 | static const struct soc_enum adc_companding = | |
556 | SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text); | |
557 | ||
558 | static const char *input_mode_text[] = { | |
559 | "Single-Ended", "Differential Line", "Differential Mic" | |
560 | }; | |
561 | ||
562 | static const struct soc_enum linput_mode_enum = | |
563 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text); | |
564 | ||
565 | static const struct soc_enum rinput_mode_enum = | |
566 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text); | |
567 | ||
568 | static const char *linput_mux_text[] = { | |
569 | "IN1L", "IN2L", "IN3L" | |
570 | }; | |
571 | ||
572 | static const struct soc_enum linput_enum = | |
573 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 2, 3, linput_mux_text); | |
574 | ||
575 | static const struct soc_enum linput_inv_enum = | |
576 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 4, 3, linput_mux_text); | |
577 | ||
578 | static const char *rinput_mux_text[] = { | |
579 | "IN1R", "IN2R", "IN3R" | |
580 | }; | |
581 | ||
582 | static const struct soc_enum rinput_enum = | |
583 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 2, 3, rinput_mux_text); | |
584 | ||
585 | static const struct soc_enum rinput_inv_enum = | |
586 | SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text); | |
587 | ||
588 | ||
291ce18c MB |
589 | static const char *sidetone_text[] = { |
590 | "None", "Left", "Right" | |
591 | }; | |
592 | ||
593 | static const struct soc_enum lsidetone_enum = | |
594 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text); | |
595 | ||
596 | static const struct soc_enum rsidetone_enum = | |
597 | SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text); | |
598 | ||
f1c0a02f MB |
599 | static const struct snd_kcontrol_new wm8903_snd_controls[] = { |
600 | ||
601 | /* Input PGAs - No TLV since the scale depends on PGA mode */ | |
602 | SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0, | |
5715952b | 603 | 7, 1, 1), |
f1c0a02f MB |
604 | SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0, |
605 | 0, 31, 0), | |
606 | SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1, | |
607 | 6, 1, 0), | |
608 | ||
609 | SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0, | |
5715952b | 610 | 7, 1, 1), |
f1c0a02f MB |
611 | SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0, |
612 | 0, 31, 0), | |
613 | SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1, | |
614 | 6, 1, 0), | |
615 | ||
616 | /* ADCs */ | |
617 | SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0), | |
618 | SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0), | |
619 | SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1), | |
af901ca1 | 620 | SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1, |
f1c0a02f MB |
621 | drc_tlv_thresh), |
622 | SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp), | |
623 | SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min), | |
624 | SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max), | |
625 | SOC_ENUM("DRC Attack Rate", drc_attack), | |
626 | SOC_ENUM("DRC Decay Rate", drc_decay), | |
627 | SOC_ENUM("DRC FF Delay", drc_ff_delay), | |
628 | SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0), | |
629 | SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0), | |
af901ca1 | 630 | SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max), |
f1c0a02f MB |
631 | SOC_ENUM("DRC QR Decay Rate", drc_qr_decay), |
632 | SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0), | |
633 | SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0), | |
af901ca1 | 634 | SOC_ENUM("DRC Smoothing Threshold", drc_smoothing), |
f1c0a02f MB |
635 | SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup), |
636 | ||
637 | SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT, | |
638 | WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv), | |
639 | SOC_ENUM("ADC Companding Mode", adc_companding), | |
640 | SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0), | |
641 | ||
291ce18c MB |
642 | SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8, |
643 | 12, 0, digital_sidetone_tlv), | |
644 | ||
f1c0a02f MB |
645 | /* DAC */ |
646 | SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT, | |
647 | WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), | |
648 | SOC_ENUM("DAC Soft Mute Rate", soft_mute), | |
649 | SOC_ENUM("DAC Mute Mode", mute_mode), | |
650 | SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0), | |
651 | SOC_ENUM("DAC De-emphasis", dac_deemphasis), | |
f1c0a02f MB |
652 | SOC_ENUM("DAC Companding Mode", dac_companding), |
653 | SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0), | |
654 | ||
655 | /* Headphones */ | |
656 | SOC_DOUBLE_R("Headphone Switch", | |
657 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
658 | 8, 1, 1), | |
659 | SOC_DOUBLE_R("Headphone ZC Switch", | |
660 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
661 | 6, 1, 0), | |
662 | SOC_DOUBLE_R_TLV("Headphone Volume", | |
663 | WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, | |
664 | 0, 63, 0, out_tlv), | |
665 | ||
666 | /* Line out */ | |
667 | SOC_DOUBLE_R("Line Out Switch", | |
668 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
669 | 8, 1, 1), | |
670 | SOC_DOUBLE_R("Line Out ZC Switch", | |
671 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
672 | 6, 1, 0), | |
673 | SOC_DOUBLE_R_TLV("Line Out Volume", | |
674 | WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, | |
675 | 0, 63, 0, out_tlv), | |
676 | ||
677 | /* Speaker */ | |
678 | SOC_DOUBLE_R("Speaker Switch", | |
679 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1), | |
680 | SOC_DOUBLE_R("Speaker ZC Switch", | |
681 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0), | |
682 | SOC_DOUBLE_R_TLV("Speaker Volume", | |
683 | WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, | |
684 | 0, 63, 0, out_tlv), | |
685 | }; | |
686 | ||
f1c0a02f MB |
687 | static const struct snd_kcontrol_new linput_mode_mux = |
688 | SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum); | |
689 | ||
690 | static const struct snd_kcontrol_new rinput_mode_mux = | |
691 | SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum); | |
692 | ||
693 | static const struct snd_kcontrol_new linput_mux = | |
694 | SOC_DAPM_ENUM("Left Input Mux", linput_enum); | |
695 | ||
696 | static const struct snd_kcontrol_new linput_inv_mux = | |
697 | SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum); | |
698 | ||
699 | static const struct snd_kcontrol_new rinput_mux = | |
700 | SOC_DAPM_ENUM("Right Input Mux", rinput_enum); | |
701 | ||
702 | static const struct snd_kcontrol_new rinput_inv_mux = | |
703 | SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum); | |
704 | ||
291ce18c MB |
705 | static const struct snd_kcontrol_new lsidetone_mux = |
706 | SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum); | |
707 | ||
708 | static const struct snd_kcontrol_new rsidetone_mux = | |
709 | SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum); | |
710 | ||
f1c0a02f MB |
711 | static const struct snd_kcontrol_new left_output_mixer[] = { |
712 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0), | |
713 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0), | |
714 | SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0), | |
4b4fffdd | 715 | SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0), |
f1c0a02f MB |
716 | }; |
717 | ||
718 | static const struct snd_kcontrol_new right_output_mixer[] = { | |
719 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0), | |
720 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0), | |
721 | SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0), | |
4b4fffdd | 722 | SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0), |
f1c0a02f MB |
723 | }; |
724 | ||
725 | static const struct snd_kcontrol_new left_speaker_mixer[] = { | |
726 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0), | |
727 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0), | |
728 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0), | |
729 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, | |
4b4fffdd | 730 | 0, 1, 0), |
f1c0a02f MB |
731 | }; |
732 | ||
733 | static const struct snd_kcontrol_new right_speaker_mixer[] = { | |
734 | SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0), | |
735 | SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0), | |
736 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, | |
737 | 1, 1, 0), | |
738 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, | |
4b4fffdd | 739 | 0, 1, 0), |
f1c0a02f MB |
740 | }; |
741 | ||
742 | static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = { | |
743 | SND_SOC_DAPM_INPUT("IN1L"), | |
744 | SND_SOC_DAPM_INPUT("IN1R"), | |
745 | SND_SOC_DAPM_INPUT("IN2L"), | |
746 | SND_SOC_DAPM_INPUT("IN2R"), | |
747 | SND_SOC_DAPM_INPUT("IN3L"), | |
748 | SND_SOC_DAPM_INPUT("IN3R"), | |
749 | ||
750 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
751 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
752 | SND_SOC_DAPM_OUTPUT("LINEOUTL"), | |
753 | SND_SOC_DAPM_OUTPUT("LINEOUTR"), | |
754 | SND_SOC_DAPM_OUTPUT("LOP"), | |
755 | SND_SOC_DAPM_OUTPUT("LON"), | |
756 | SND_SOC_DAPM_OUTPUT("ROP"), | |
757 | SND_SOC_DAPM_OUTPUT("RON"), | |
758 | ||
759 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8903_MIC_BIAS_CONTROL_0, 0, 0), | |
760 | ||
761 | SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux), | |
762 | SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0, | |
763 | &linput_inv_mux), | |
764 | SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux), | |
765 | ||
766 | SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux), | |
767 | SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0, | |
768 | &rinput_inv_mux), | |
769 | SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux), | |
770 | ||
771 | SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0), | |
772 | SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0), | |
773 | ||
774 | SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0), | |
775 | SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0), | |
776 | ||
291ce18c MB |
777 | SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux), |
778 | SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux), | |
779 | ||
f1c0a02f MB |
780 | SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0), |
781 | SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0), | |
782 | ||
783 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0, | |
784 | left_output_mixer, ARRAY_SIZE(left_output_mixer)), | |
785 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0, | |
786 | right_output_mixer, ARRAY_SIZE(right_output_mixer)), | |
787 | ||
788 | SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0, | |
789 | left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), | |
790 | SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0, | |
791 | right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), | |
792 | ||
793 | SND_SOC_DAPM_PGA_E("Left Headphone Output PGA", WM8903_POWER_MANAGEMENT_2, | |
794 | 1, 0, NULL, 0, wm8903_output_event, | |
795 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 796 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
797 | SND_SOC_DAPM_PGA_E("Right Headphone Output PGA", WM8903_POWER_MANAGEMENT_2, |
798 | 0, 0, NULL, 0, wm8903_output_event, | |
799 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 800 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
801 | |
802 | SND_SOC_DAPM_PGA_E("Left Line Output PGA", WM8903_POWER_MANAGEMENT_3, 1, 0, | |
803 | NULL, 0, wm8903_output_event, | |
804 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 805 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
806 | SND_SOC_DAPM_PGA_E("Right Line Output PGA", WM8903_POWER_MANAGEMENT_3, 0, 0, |
807 | NULL, 0, wm8903_output_event, | |
808 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
42768a12 | 809 | SND_SOC_DAPM_PRE_PMD), |
f1c0a02f MB |
810 | |
811 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0, | |
812 | NULL, 0), | |
813 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0, | |
814 | NULL, 0), | |
815 | ||
42768a12 MB |
816 | SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0, |
817 | wm8903_cp_event, SND_SOC_DAPM_POST_PMU), | |
c2aef4ff | 818 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0), |
f1c0a02f MB |
819 | }; |
820 | ||
821 | static const struct snd_soc_dapm_route intercon[] = { | |
822 | ||
823 | { "Left Input Mux", "IN1L", "IN1L" }, | |
824 | { "Left Input Mux", "IN2L", "IN2L" }, | |
825 | { "Left Input Mux", "IN3L", "IN3L" }, | |
826 | ||
827 | { "Left Input Inverting Mux", "IN1L", "IN1L" }, | |
828 | { "Left Input Inverting Mux", "IN2L", "IN2L" }, | |
829 | { "Left Input Inverting Mux", "IN3L", "IN3L" }, | |
830 | ||
831 | { "Right Input Mux", "IN1R", "IN1R" }, | |
832 | { "Right Input Mux", "IN2R", "IN2R" }, | |
833 | { "Right Input Mux", "IN3R", "IN3R" }, | |
834 | ||
835 | { "Right Input Inverting Mux", "IN1R", "IN1R" }, | |
836 | { "Right Input Inverting Mux", "IN2R", "IN2R" }, | |
837 | { "Right Input Inverting Mux", "IN3R", "IN3R" }, | |
838 | ||
839 | { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" }, | |
840 | { "Left Input Mode Mux", "Differential Line", | |
841 | "Left Input Mux" }, | |
842 | { "Left Input Mode Mux", "Differential Line", | |
843 | "Left Input Inverting Mux" }, | |
844 | { "Left Input Mode Mux", "Differential Mic", | |
845 | "Left Input Mux" }, | |
846 | { "Left Input Mode Mux", "Differential Mic", | |
847 | "Left Input Inverting Mux" }, | |
848 | ||
849 | { "Right Input Mode Mux", "Single-Ended", | |
850 | "Right Input Inverting Mux" }, | |
851 | { "Right Input Mode Mux", "Differential Line", | |
852 | "Right Input Mux" }, | |
853 | { "Right Input Mode Mux", "Differential Line", | |
854 | "Right Input Inverting Mux" }, | |
855 | { "Right Input Mode Mux", "Differential Mic", | |
856 | "Right Input Mux" }, | |
857 | { "Right Input Mode Mux", "Differential Mic", | |
858 | "Right Input Inverting Mux" }, | |
859 | ||
860 | { "Left Input PGA", NULL, "Left Input Mode Mux" }, | |
861 | { "Right Input PGA", NULL, "Right Input Mode Mux" }, | |
862 | ||
863 | { "ADCL", NULL, "Left Input PGA" }, | |
c2aef4ff | 864 | { "ADCL", NULL, "CLK_DSP" }, |
f1c0a02f | 865 | { "ADCR", NULL, "Right Input PGA" }, |
c2aef4ff MB |
866 | { "ADCR", NULL, "CLK_DSP" }, |
867 | ||
291ce18c MB |
868 | { "DACL Sidetone", "Left", "ADCL" }, |
869 | { "DACL Sidetone", "Right", "ADCR" }, | |
870 | { "DACR Sidetone", "Left", "ADCL" }, | |
871 | { "DACR Sidetone", "Right", "ADCR" }, | |
872 | ||
873 | { "DACL", NULL, "DACL Sidetone" }, | |
c2aef4ff | 874 | { "DACL", NULL, "CLK_DSP" }, |
291ce18c | 875 | { "DACR", NULL, "DACR Sidetone" }, |
c2aef4ff | 876 | { "DACR", NULL, "CLK_DSP" }, |
f1c0a02f MB |
877 | |
878 | { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
879 | { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
880 | { "Left Output Mixer", "DACL Switch", "DACL" }, | |
881 | { "Left Output Mixer", "DACR Switch", "DACR" }, | |
882 | ||
883 | { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
884 | { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
885 | { "Right Output Mixer", "DACL Switch", "DACL" }, | |
886 | { "Right Output Mixer", "DACR Switch", "DACR" }, | |
887 | ||
888 | { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
889 | { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
890 | { "Left Speaker Mixer", "DACL Switch", "DACL" }, | |
891 | { "Left Speaker Mixer", "DACR Switch", "DACR" }, | |
892 | ||
893 | { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, | |
894 | { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, | |
895 | { "Right Speaker Mixer", "DACL Switch", "DACL" }, | |
896 | { "Right Speaker Mixer", "DACR Switch", "DACR" }, | |
897 | ||
898 | { "Left Line Output PGA", NULL, "Left Output Mixer" }, | |
899 | { "Right Line Output PGA", NULL, "Right Output Mixer" }, | |
900 | ||
901 | { "Left Headphone Output PGA", NULL, "Left Output Mixer" }, | |
902 | { "Right Headphone Output PGA", NULL, "Right Output Mixer" }, | |
903 | ||
904 | { "Left Speaker PGA", NULL, "Left Speaker Mixer" }, | |
905 | { "Right Speaker PGA", NULL, "Right Speaker Mixer" }, | |
906 | ||
907 | { "HPOUTL", NULL, "Left Headphone Output PGA" }, | |
908 | { "HPOUTR", NULL, "Right Headphone Output PGA" }, | |
909 | ||
910 | { "LINEOUTL", NULL, "Left Line Output PGA" }, | |
911 | { "LINEOUTR", NULL, "Right Line Output PGA" }, | |
912 | ||
913 | { "LOP", NULL, "Left Speaker PGA" }, | |
914 | { "LON", NULL, "Left Speaker PGA" }, | |
915 | ||
916 | { "ROP", NULL, "Right Speaker PGA" }, | |
917 | { "RON", NULL, "Right Speaker PGA" }, | |
42768a12 MB |
918 | |
919 | { "Left Headphone Output PGA", NULL, "Charge Pump" }, | |
920 | { "Right Headphone Output PGA", NULL, "Charge Pump" }, | |
921 | { "Left Line Output PGA", NULL, "Charge Pump" }, | |
922 | { "Right Line Output PGA", NULL, "Charge Pump" }, | |
f1c0a02f MB |
923 | }; |
924 | ||
925 | static int wm8903_add_widgets(struct snd_soc_codec *codec) | |
926 | { | |
927 | snd_soc_dapm_new_controls(codec, wm8903_dapm_widgets, | |
928 | ARRAY_SIZE(wm8903_dapm_widgets)); | |
929 | ||
930 | snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); | |
931 | ||
f1c0a02f MB |
932 | return 0; |
933 | } | |
934 | ||
935 | static int wm8903_set_bias_level(struct snd_soc_codec *codec, | |
936 | enum snd_soc_bias_level level) | |
937 | { | |
938 | struct i2c_client *i2c = codec->control_data; | |
939 | u16 reg, reg2; | |
940 | ||
941 | switch (level) { | |
942 | case SND_SOC_BIAS_ON: | |
943 | case SND_SOC_BIAS_PREPARE: | |
8d50e447 | 944 | reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); |
f1c0a02f MB |
945 | reg &= ~(WM8903_VMID_RES_MASK); |
946 | reg |= WM8903_VMID_RES_50K; | |
8d50e447 | 947 | snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg); |
f1c0a02f MB |
948 | break; |
949 | ||
950 | case SND_SOC_BIAS_STANDBY: | |
951 | if (codec->bias_level == SND_SOC_BIAS_OFF) { | |
8d50e447 | 952 | snd_soc_write(codec, WM8903_CLOCK_RATES_2, |
3b1228ab MB |
953 | WM8903_CLK_SYS_ENA); |
954 | ||
4dbfe809 | 955 | /* Change DC servo dither level in startup sequence */ |
8d50e447 MB |
956 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, 0x11); |
957 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_1, 0x1257); | |
958 | snd_soc_write(codec, WM8903_WRITE_SEQUENCER_2, 0x2); | |
4dbfe809 | 959 | |
f1c0a02f MB |
960 | wm8903_run_sequence(codec, 0); |
961 | wm8903_sync_reg_cache(codec, codec->reg_cache); | |
962 | ||
963 | /* Enable low impedence charge pump output */ | |
8d50e447 | 964 | reg = snd_soc_read(codec, |
f1c0a02f | 965 | WM8903_CONTROL_INTERFACE_TEST_1); |
8d50e447 | 966 | snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1, |
f1c0a02f | 967 | reg | WM8903_TEST_KEY); |
8d50e447 MB |
968 | reg2 = snd_soc_read(codec, WM8903_CHARGE_PUMP_TEST_1); |
969 | snd_soc_write(codec, WM8903_CHARGE_PUMP_TEST_1, | |
f1c0a02f | 970 | reg2 | WM8903_CP_SW_KELVIN_MODE_MASK); |
8d50e447 | 971 | snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1, |
f1c0a02f MB |
972 | reg); |
973 | ||
974 | /* By default no bypass paths are enabled so | |
975 | * enable Class W support. | |
976 | */ | |
977 | dev_dbg(&i2c->dev, "Enabling Class W\n"); | |
8d50e447 | 978 | snd_soc_write(codec, WM8903_CLASS_W_0, reg | |
f1c0a02f MB |
979 | WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); |
980 | } | |
981 | ||
8d50e447 | 982 | reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); |
f1c0a02f MB |
983 | reg &= ~(WM8903_VMID_RES_MASK); |
984 | reg |= WM8903_VMID_RES_250K; | |
8d50e447 | 985 | snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg); |
f1c0a02f MB |
986 | break; |
987 | ||
988 | case SND_SOC_BIAS_OFF: | |
989 | wm8903_run_sequence(codec, 32); | |
8d50e447 | 990 | reg = snd_soc_read(codec, WM8903_CLOCK_RATES_2); |
3b1228ab | 991 | reg &= ~WM8903_CLK_SYS_ENA; |
8d50e447 | 992 | snd_soc_write(codec, WM8903_CLOCK_RATES_2, reg); |
f1c0a02f MB |
993 | break; |
994 | } | |
995 | ||
996 | codec->bias_level = level; | |
997 | ||
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
1002 | int clk_id, unsigned int freq, int dir) | |
1003 | { | |
1004 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 1005 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1006 | |
1007 | wm8903->sysclk = freq; | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
1013 | unsigned int fmt) | |
1014 | { | |
1015 | struct snd_soc_codec *codec = codec_dai->codec; | |
8d50e447 | 1016 | u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1); |
f1c0a02f MB |
1017 | |
1018 | aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK | | |
1019 | WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV); | |
1020 | ||
1021 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1022 | case SND_SOC_DAIFMT_CBS_CFS: | |
1023 | break; | |
1024 | case SND_SOC_DAIFMT_CBS_CFM: | |
1025 | aif1 |= WM8903_LRCLK_DIR; | |
1026 | break; | |
1027 | case SND_SOC_DAIFMT_CBM_CFM: | |
1028 | aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR; | |
1029 | break; | |
1030 | case SND_SOC_DAIFMT_CBM_CFS: | |
1031 | aif1 |= WM8903_BCLK_DIR; | |
1032 | break; | |
1033 | default: | |
1034 | return -EINVAL; | |
1035 | } | |
1036 | ||
1037 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1038 | case SND_SOC_DAIFMT_DSP_A: | |
1039 | aif1 |= 0x3; | |
1040 | break; | |
1041 | case SND_SOC_DAIFMT_DSP_B: | |
1042 | aif1 |= 0x3 | WM8903_AIF_LRCLK_INV; | |
1043 | break; | |
1044 | case SND_SOC_DAIFMT_I2S: | |
1045 | aif1 |= 0x2; | |
1046 | break; | |
1047 | case SND_SOC_DAIFMT_RIGHT_J: | |
1048 | aif1 |= 0x1; | |
1049 | break; | |
1050 | case SND_SOC_DAIFMT_LEFT_J: | |
1051 | break; | |
1052 | default: | |
1053 | return -EINVAL; | |
1054 | } | |
1055 | ||
1056 | /* Clock inversion */ | |
1057 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1058 | case SND_SOC_DAIFMT_DSP_A: | |
1059 | case SND_SOC_DAIFMT_DSP_B: | |
1060 | /* frame inversion not valid for DSP modes */ | |
1061 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1062 | case SND_SOC_DAIFMT_NB_NF: | |
1063 | break; | |
1064 | case SND_SOC_DAIFMT_IB_NF: | |
1065 | aif1 |= WM8903_AIF_BCLK_INV; | |
1066 | break; | |
1067 | default: | |
1068 | return -EINVAL; | |
1069 | } | |
1070 | break; | |
1071 | case SND_SOC_DAIFMT_I2S: | |
1072 | case SND_SOC_DAIFMT_RIGHT_J: | |
1073 | case SND_SOC_DAIFMT_LEFT_J: | |
1074 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1075 | case SND_SOC_DAIFMT_NB_NF: | |
1076 | break; | |
1077 | case SND_SOC_DAIFMT_IB_IF: | |
1078 | aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV; | |
1079 | break; | |
1080 | case SND_SOC_DAIFMT_IB_NF: | |
1081 | aif1 |= WM8903_AIF_BCLK_INV; | |
1082 | break; | |
1083 | case SND_SOC_DAIFMT_NB_IF: | |
1084 | aif1 |= WM8903_AIF_LRCLK_INV; | |
1085 | break; | |
1086 | default: | |
1087 | return -EINVAL; | |
1088 | } | |
1089 | break; | |
1090 | default: | |
1091 | return -EINVAL; | |
1092 | } | |
1093 | ||
8d50e447 | 1094 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1); |
f1c0a02f MB |
1095 | |
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute) | |
1100 | { | |
1101 | struct snd_soc_codec *codec = codec_dai->codec; | |
1102 | u16 reg; | |
1103 | ||
8d50e447 | 1104 | reg = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); |
f1c0a02f MB |
1105 | |
1106 | if (mute) | |
1107 | reg |= WM8903_DAC_MUTE; | |
1108 | else | |
1109 | reg &= ~WM8903_DAC_MUTE; | |
1110 | ||
8d50e447 | 1111 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, reg); |
f1c0a02f MB |
1112 | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended | |
1117 | * for optimal performance so we list the lower rates first and match | |
1118 | * on the last match we find. */ | |
1119 | static struct { | |
1120 | int div; | |
1121 | int rate; | |
1122 | int mode; | |
1123 | int mclk_div; | |
1124 | } clk_sys_ratios[] = { | |
1125 | { 64, 0x0, 0x0, 1 }, | |
1126 | { 68, 0x0, 0x1, 1 }, | |
1127 | { 125, 0x0, 0x2, 1 }, | |
1128 | { 128, 0x1, 0x0, 1 }, | |
1129 | { 136, 0x1, 0x1, 1 }, | |
1130 | { 192, 0x2, 0x0, 1 }, | |
1131 | { 204, 0x2, 0x1, 1 }, | |
1132 | ||
1133 | { 64, 0x0, 0x0, 2 }, | |
1134 | { 68, 0x0, 0x1, 2 }, | |
1135 | { 125, 0x0, 0x2, 2 }, | |
1136 | { 128, 0x1, 0x0, 2 }, | |
1137 | { 136, 0x1, 0x1, 2 }, | |
1138 | { 192, 0x2, 0x0, 2 }, | |
1139 | { 204, 0x2, 0x1, 2 }, | |
1140 | ||
1141 | { 250, 0x2, 0x2, 1 }, | |
1142 | { 256, 0x3, 0x0, 1 }, | |
1143 | { 272, 0x3, 0x1, 1 }, | |
1144 | { 384, 0x4, 0x0, 1 }, | |
1145 | { 408, 0x4, 0x1, 1 }, | |
1146 | { 375, 0x4, 0x2, 1 }, | |
1147 | { 512, 0x5, 0x0, 1 }, | |
1148 | { 544, 0x5, 0x1, 1 }, | |
1149 | { 500, 0x5, 0x2, 1 }, | |
1150 | { 768, 0x6, 0x0, 1 }, | |
1151 | { 816, 0x6, 0x1, 1 }, | |
1152 | { 750, 0x6, 0x2, 1 }, | |
1153 | { 1024, 0x7, 0x0, 1 }, | |
1154 | { 1088, 0x7, 0x1, 1 }, | |
1155 | { 1000, 0x7, 0x2, 1 }, | |
1156 | { 1408, 0x8, 0x0, 1 }, | |
1157 | { 1496, 0x8, 0x1, 1 }, | |
1158 | { 1536, 0x9, 0x0, 1 }, | |
1159 | { 1632, 0x9, 0x1, 1 }, | |
1160 | { 1500, 0x9, 0x2, 1 }, | |
1161 | ||
1162 | { 250, 0x2, 0x2, 2 }, | |
1163 | { 256, 0x3, 0x0, 2 }, | |
1164 | { 272, 0x3, 0x1, 2 }, | |
1165 | { 384, 0x4, 0x0, 2 }, | |
1166 | { 408, 0x4, 0x1, 2 }, | |
1167 | { 375, 0x4, 0x2, 2 }, | |
1168 | { 512, 0x5, 0x0, 2 }, | |
1169 | { 544, 0x5, 0x1, 2 }, | |
1170 | { 500, 0x5, 0x2, 2 }, | |
1171 | { 768, 0x6, 0x0, 2 }, | |
1172 | { 816, 0x6, 0x1, 2 }, | |
1173 | { 750, 0x6, 0x2, 2 }, | |
1174 | { 1024, 0x7, 0x0, 2 }, | |
1175 | { 1088, 0x7, 0x1, 2 }, | |
1176 | { 1000, 0x7, 0x2, 2 }, | |
1177 | { 1408, 0x8, 0x0, 2 }, | |
1178 | { 1496, 0x8, 0x1, 2 }, | |
1179 | { 1536, 0x9, 0x0, 2 }, | |
1180 | { 1632, 0x9, 0x1, 2 }, | |
1181 | { 1500, 0x9, 0x2, 2 }, | |
1182 | }; | |
1183 | ||
1184 | /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */ | |
1185 | static struct { | |
1186 | int ratio; | |
1187 | int div; | |
1188 | } bclk_divs[] = { | |
1189 | { 10, 0 }, | |
f1c0a02f MB |
1190 | { 20, 2 }, |
1191 | { 30, 3 }, | |
1192 | { 40, 4 }, | |
1193 | { 50, 5 }, | |
f1c0a02f MB |
1194 | { 60, 7 }, |
1195 | { 80, 8 }, | |
1196 | { 100, 9 }, | |
f1c0a02f MB |
1197 | { 120, 11 }, |
1198 | { 160, 12 }, | |
1199 | { 200, 13 }, | |
1200 | { 220, 14 }, | |
1201 | { 240, 15 }, | |
f1c0a02f MB |
1202 | { 300, 17 }, |
1203 | { 320, 18 }, | |
1204 | { 440, 19 }, | |
1205 | { 480, 20 }, | |
1206 | }; | |
1207 | ||
1208 | /* Sample rates for DSP */ | |
1209 | static struct { | |
1210 | int rate; | |
1211 | int value; | |
1212 | } sample_rates[] = { | |
1213 | { 8000, 0 }, | |
1214 | { 11025, 1 }, | |
1215 | { 12000, 2 }, | |
1216 | { 16000, 3 }, | |
1217 | { 22050, 4 }, | |
1218 | { 24000, 5 }, | |
1219 | { 32000, 6 }, | |
1220 | { 44100, 7 }, | |
1221 | { 48000, 8 }, | |
1222 | { 88200, 9 }, | |
1223 | { 96000, 10 }, | |
1224 | { 0, 0 }, | |
1225 | }; | |
1226 | ||
dee89c4d MB |
1227 | static int wm8903_startup(struct snd_pcm_substream *substream, |
1228 | struct snd_soc_dai *dai) | |
f1c0a02f MB |
1229 | { |
1230 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1231 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 1232 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 1233 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1234 | struct i2c_client *i2c = codec->control_data; |
1235 | struct snd_pcm_runtime *master_runtime; | |
1236 | ||
1237 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
1238 | wm8903->playback_active++; | |
1239 | else | |
1240 | wm8903->capture_active++; | |
1241 | ||
1242 | /* The DAI has shared clocks so if we already have a playback or | |
1243 | * capture going then constrain this substream to match it. | |
1244 | */ | |
1245 | if (wm8903->master_substream) { | |
1246 | master_runtime = wm8903->master_substream->runtime; | |
1247 | ||
727fb909 MB |
1248 | dev_dbg(&i2c->dev, "Constraining to %d bits\n", |
1249 | master_runtime->sample_bits); | |
f1c0a02f MB |
1250 | |
1251 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
1252 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
1253 | master_runtime->sample_bits, | |
1254 | master_runtime->sample_bits); | |
1255 | ||
1256 | wm8903->slave_substream = substream; | |
1257 | } else | |
1258 | wm8903->master_substream = substream; | |
1259 | ||
1260 | return 0; | |
1261 | } | |
1262 | ||
dee89c4d MB |
1263 | static void wm8903_shutdown(struct snd_pcm_substream *substream, |
1264 | struct snd_soc_dai *dai) | |
f1c0a02f MB |
1265 | { |
1266 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1267 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 1268 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 1269 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1270 | |
1271 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
1272 | wm8903->playback_active--; | |
1273 | else | |
1274 | wm8903->capture_active--; | |
1275 | ||
1276 | if (wm8903->master_substream == substream) | |
1277 | wm8903->master_substream = wm8903->slave_substream; | |
1278 | ||
1279 | wm8903->slave_substream = NULL; | |
1280 | } | |
1281 | ||
1282 | static int wm8903_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
1283 | struct snd_pcm_hw_params *params, |
1284 | struct snd_soc_dai *dai) | |
f1c0a02f MB |
1285 | { |
1286 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1287 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 1288 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 1289 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
f1c0a02f MB |
1290 | struct i2c_client *i2c = codec->control_data; |
1291 | int fs = params_rate(params); | |
1292 | int bclk; | |
1293 | int bclk_div; | |
1294 | int i; | |
1295 | int dsp_config; | |
1296 | int clk_config; | |
1297 | int best_val; | |
1298 | int cur_val; | |
1299 | int clk_sys; | |
1300 | ||
8d50e447 MB |
1301 | u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1); |
1302 | u16 aif2 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_2); | |
1303 | u16 aif3 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_3); | |
1304 | u16 clock0 = snd_soc_read(codec, WM8903_CLOCK_RATES_0); | |
1305 | u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1); | |
1306 | u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); | |
f1c0a02f MB |
1307 | |
1308 | if (substream == wm8903->slave_substream) { | |
1309 | dev_dbg(&i2c->dev, "Ignoring hw_params for slave substream\n"); | |
1310 | return 0; | |
1311 | } | |
1312 | ||
9e79261f MB |
1313 | /* Enable sloping stopband filter for low sample rates */ |
1314 | if (fs <= 24000) | |
1315 | dac_digital1 |= WM8903_DAC_SB_FILT; | |
1316 | else | |
1317 | dac_digital1 &= ~WM8903_DAC_SB_FILT; | |
1318 | ||
f1c0a02f MB |
1319 | /* Configure sample rate logic for DSP - choose nearest rate */ |
1320 | dsp_config = 0; | |
1321 | best_val = abs(sample_rates[dsp_config].rate - fs); | |
1322 | for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { | |
1323 | cur_val = abs(sample_rates[i].rate - fs); | |
1324 | if (cur_val <= best_val) { | |
1325 | dsp_config = i; | |
1326 | best_val = cur_val; | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | /* Constraints should stop us hitting this but let's make sure */ | |
1331 | if (wm8903->capture_active) | |
1332 | switch (sample_rates[dsp_config].rate) { | |
1333 | case 88200: | |
1334 | case 96000: | |
1335 | dev_err(&i2c->dev, "%dHz unsupported by ADC\n", | |
1336 | fs); | |
1337 | return -EINVAL; | |
1338 | ||
1339 | default: | |
1340 | break; | |
1341 | } | |
1342 | ||
1343 | dev_dbg(&i2c->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate); | |
1344 | clock1 &= ~WM8903_SAMPLE_RATE_MASK; | |
1345 | clock1 |= sample_rates[dsp_config].value; | |
1346 | ||
1347 | aif1 &= ~WM8903_AIF_WL_MASK; | |
1348 | bclk = 2 * fs; | |
1349 | switch (params_format(params)) { | |
1350 | case SNDRV_PCM_FORMAT_S16_LE: | |
1351 | bclk *= 16; | |
1352 | break; | |
1353 | case SNDRV_PCM_FORMAT_S20_3LE: | |
1354 | bclk *= 20; | |
1355 | aif1 |= 0x4; | |
1356 | break; | |
1357 | case SNDRV_PCM_FORMAT_S24_LE: | |
1358 | bclk *= 24; | |
1359 | aif1 |= 0x8; | |
1360 | break; | |
1361 | case SNDRV_PCM_FORMAT_S32_LE: | |
1362 | bclk *= 32; | |
1363 | aif1 |= 0xc; | |
1364 | break; | |
1365 | default: | |
1366 | return -EINVAL; | |
1367 | } | |
1368 | ||
1369 | dev_dbg(&i2c->dev, "MCLK = %dHz, target sample rate = %dHz\n", | |
1370 | wm8903->sysclk, fs); | |
1371 | ||
1372 | /* We may not have an MCLK which allows us to generate exactly | |
1373 | * the clock we want, particularly with USB derived inputs, so | |
1374 | * approximate. | |
1375 | */ | |
1376 | clk_config = 0; | |
1377 | best_val = abs((wm8903->sysclk / | |
1378 | (clk_sys_ratios[0].mclk_div * | |
1379 | clk_sys_ratios[0].div)) - fs); | |
1380 | for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) { | |
1381 | cur_val = abs((wm8903->sysclk / | |
1382 | (clk_sys_ratios[i].mclk_div * | |
1383 | clk_sys_ratios[i].div)) - fs); | |
1384 | ||
1385 | if (cur_val <= best_val) { | |
1386 | clk_config = i; | |
1387 | best_val = cur_val; | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | if (clk_sys_ratios[clk_config].mclk_div == 2) { | |
1392 | clock0 |= WM8903_MCLKDIV2; | |
1393 | clk_sys = wm8903->sysclk / 2; | |
1394 | } else { | |
1395 | clock0 &= ~WM8903_MCLKDIV2; | |
1396 | clk_sys = wm8903->sysclk; | |
1397 | } | |
1398 | ||
1399 | clock1 &= ~(WM8903_CLK_SYS_RATE_MASK | | |
1400 | WM8903_CLK_SYS_MODE_MASK); | |
1401 | clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT; | |
1402 | clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT; | |
1403 | ||
1404 | dev_dbg(&i2c->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n", | |
1405 | clk_sys_ratios[clk_config].rate, | |
1406 | clk_sys_ratios[clk_config].mode, | |
1407 | clk_sys_ratios[clk_config].div); | |
1408 | ||
1409 | dev_dbg(&i2c->dev, "Actual CLK_SYS = %dHz\n", clk_sys); | |
1410 | ||
1411 | /* We may not get quite the right frequency if using | |
1412 | * approximate clocks so look for the closest match that is | |
1413 | * higher than the target (we need to ensure that there enough | |
1414 | * BCLKs to clock out the samples). | |
1415 | */ | |
1416 | bclk_div = 0; | |
1417 | best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk; | |
1418 | i = 1; | |
1419 | while (i < ARRAY_SIZE(bclk_divs)) { | |
1420 | cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk; | |
1421 | if (cur_val < 0) /* BCLK table is sorted */ | |
1422 | break; | |
1423 | bclk_div = i; | |
1424 | best_val = cur_val; | |
1425 | i++; | |
1426 | } | |
1427 | ||
1428 | aif2 &= ~WM8903_BCLK_DIV_MASK; | |
1429 | aif3 &= ~WM8903_LRCLK_RATE_MASK; | |
1430 | ||
1431 | dev_dbg(&i2c->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n", | |
1432 | bclk_divs[bclk_div].ratio / 10, bclk, | |
1433 | (clk_sys * 10) / bclk_divs[bclk_div].ratio); | |
1434 | ||
1435 | aif2 |= bclk_divs[bclk_div].div; | |
1436 | aif3 |= bclk / fs; | |
1437 | ||
8d50e447 MB |
1438 | snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0); |
1439 | snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1); | |
1440 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1); | |
1441 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_2, aif2); | |
1442 | snd_soc_write(codec, WM8903_AUDIO_INTERFACE_3, aif3); | |
1443 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1); | |
f1c0a02f MB |
1444 | |
1445 | return 0; | |
1446 | } | |
1447 | ||
7245387e MB |
1448 | /** |
1449 | * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ | |
1450 | * | |
1451 | * @codec: WM8903 codec | |
1452 | * @jack: jack to report detection events on | |
1453 | * @det: value to report for presence detection | |
1454 | * @shrt: value to report for short detection | |
1455 | * | |
1456 | * Enable microphone detection via IRQ on the WM8903. If GPIOs are | |
1457 | * being used to bring out signals to the processor then only platform | |
1458 | * data configuration is needed for WM8903 and processor GPIOs should | |
1459 | * be configured using snd_soc_jack_add_gpios() instead. | |
1460 | * | |
1461 | * The current threasholds for detection should be configured using | |
1462 | * micdet_cfg in the platform data. Using this function will force on | |
1463 | * the microphone bias for the device. | |
1464 | */ | |
1465 | int wm8903_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, | |
1466 | int det, int shrt) | |
1467 | { | |
b2c812e2 | 1468 | struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec); |
69266866 | 1469 | int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT; |
7245387e MB |
1470 | |
1471 | dev_dbg(codec->dev, "Enabling microphone detection: %x %x\n", | |
1472 | det, shrt); | |
1473 | ||
1474 | /* Store the configuration */ | |
1475 | wm8903->mic_jack = jack; | |
1476 | wm8903->mic_det = det; | |
1477 | wm8903->mic_short = shrt; | |
1478 | ||
1479 | /* Enable interrupts we've got a report configured for */ | |
1480 | if (det) | |
1481 | irq_mask &= ~WM8903_MICDET_EINT; | |
1482 | if (shrt) | |
1483 | irq_mask &= ~WM8903_MICSHRT_EINT; | |
1484 | ||
1485 | snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK, | |
1486 | WM8903_MICDET_EINT | WM8903_MICSHRT_EINT, | |
1487 | irq_mask); | |
1488 | ||
69266866 MB |
1489 | if (det && shrt) { |
1490 | /* Enable mic detection, this may not have been set through | |
1491 | * platform data (eg, if the defaults are OK). */ | |
1492 | snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0, | |
1493 | WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); | |
1494 | snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1495 | WM8903_MICDET_ENA, WM8903_MICDET_ENA); | |
1496 | } else { | |
1497 | snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1498 | WM8903_MICDET_ENA, 0); | |
1499 | } | |
7245387e MB |
1500 | |
1501 | return 0; | |
1502 | } | |
1503 | EXPORT_SYMBOL_GPL(wm8903_mic_detect); | |
1504 | ||
8abd16a6 MB |
1505 | static irqreturn_t wm8903_irq(int irq, void *data) |
1506 | { | |
1507 | struct wm8903_priv *wm8903 = data; | |
1508 | struct snd_soc_codec *codec = &wm8903->codec; | |
7245387e MB |
1509 | int mic_report; |
1510 | int int_pol; | |
1511 | int int_val = 0; | |
1512 | int mask = ~snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1_MASK); | |
8abd16a6 | 1513 | |
7245387e | 1514 | int_val = snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1) & mask; |
8abd16a6 | 1515 | |
7245387e | 1516 | if (int_val & WM8903_WSEQ_BUSY_EINT) { |
8abd16a6 MB |
1517 | dev_dbg(codec->dev, "Write sequencer done\n"); |
1518 | complete(&wm8903->wseq); | |
1519 | } | |
1520 | ||
7245387e MB |
1521 | /* |
1522 | * The rest is microphone jack detection. We need to manually | |
1523 | * invert the polarity of the interrupt after each event - to | |
1524 | * simplify the code keep track of the last state we reported | |
1525 | * and just invert the relevant bits in both the report and | |
1526 | * the polarity register. | |
1527 | */ | |
1528 | mic_report = wm8903->mic_last_report; | |
1529 | int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1); | |
1530 | ||
1531 | if (int_val & WM8903_MICSHRT_EINT) { | |
1532 | dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol); | |
1533 | ||
1534 | mic_report ^= wm8903->mic_short; | |
1535 | int_pol ^= WM8903_MICSHRT_INV; | |
1536 | } | |
1537 | ||
1538 | if (int_val & WM8903_MICDET_EINT) { | |
1539 | dev_dbg(codec->dev, "Microphone detect (pol=%x)\n", int_pol); | |
1540 | ||
1541 | mic_report ^= wm8903->mic_det; | |
1542 | int_pol ^= WM8903_MICDET_INV; | |
1543 | ||
1544 | msleep(wm8903->mic_delay); | |
1545 | } | |
1546 | ||
1547 | snd_soc_update_bits(codec, WM8903_INTERRUPT_POLARITY_1, | |
1548 | WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol); | |
1549 | ||
1550 | snd_soc_jack_report(wm8903->mic_jack, mic_report, | |
1551 | wm8903->mic_short | wm8903->mic_det); | |
1552 | ||
1553 | wm8903->mic_last_report = mic_report; | |
1554 | ||
8abd16a6 MB |
1555 | return IRQ_HANDLED; |
1556 | } | |
1557 | ||
f1c0a02f MB |
1558 | #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\ |
1559 | SNDRV_PCM_RATE_11025 | \ | |
1560 | SNDRV_PCM_RATE_16000 | \ | |
1561 | SNDRV_PCM_RATE_22050 | \ | |
1562 | SNDRV_PCM_RATE_32000 | \ | |
1563 | SNDRV_PCM_RATE_44100 | \ | |
1564 | SNDRV_PCM_RATE_48000 | \ | |
1565 | SNDRV_PCM_RATE_88200 | \ | |
1566 | SNDRV_PCM_RATE_96000) | |
1567 | ||
1568 | #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\ | |
1569 | SNDRV_PCM_RATE_11025 | \ | |
1570 | SNDRV_PCM_RATE_16000 | \ | |
1571 | SNDRV_PCM_RATE_22050 | \ | |
1572 | SNDRV_PCM_RATE_32000 | \ | |
1573 | SNDRV_PCM_RATE_44100 | \ | |
1574 | SNDRV_PCM_RATE_48000) | |
1575 | ||
1576 | #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ | |
1577 | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1578 | SNDRV_PCM_FMTBIT_S24_LE) | |
1579 | ||
6335d055 EM |
1580 | static struct snd_soc_dai_ops wm8903_dai_ops = { |
1581 | .startup = wm8903_startup, | |
1582 | .shutdown = wm8903_shutdown, | |
1583 | .hw_params = wm8903_hw_params, | |
1584 | .digital_mute = wm8903_digital_mute, | |
1585 | .set_fmt = wm8903_set_dai_fmt, | |
1586 | .set_sysclk = wm8903_set_dai_sysclk, | |
1587 | }; | |
1588 | ||
f1c0a02f MB |
1589 | struct snd_soc_dai wm8903_dai = { |
1590 | .name = "WM8903", | |
1591 | .playback = { | |
1592 | .stream_name = "Playback", | |
1593 | .channels_min = 2, | |
1594 | .channels_max = 2, | |
1595 | .rates = WM8903_PLAYBACK_RATES, | |
1596 | .formats = WM8903_FORMATS, | |
1597 | }, | |
1598 | .capture = { | |
1599 | .stream_name = "Capture", | |
1600 | .channels_min = 2, | |
1601 | .channels_max = 2, | |
1602 | .rates = WM8903_CAPTURE_RATES, | |
1603 | .formats = WM8903_FORMATS, | |
1604 | }, | |
6335d055 | 1605 | .ops = &wm8903_dai_ops, |
0d960e88 | 1606 | .symmetric_rates = 1, |
f1c0a02f MB |
1607 | }; |
1608 | EXPORT_SYMBOL_GPL(wm8903_dai); | |
1609 | ||
1610 | static int wm8903_suspend(struct platform_device *pdev, pm_message_t state) | |
1611 | { | |
1612 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 1613 | struct snd_soc_codec *codec = socdev->card->codec; |
f1c0a02f MB |
1614 | |
1615 | wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1616 | ||
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | static int wm8903_resume(struct platform_device *pdev) | |
1621 | { | |
1622 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 1623 | struct snd_soc_codec *codec = socdev->card->codec; |
f1c0a02f MB |
1624 | struct i2c_client *i2c = codec->control_data; |
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 MB |
1639 | } else { |
1640 | dev_err(&i2c->dev, "Failed to allocate temporary cache\n"); | |
1641 | } | |
1642 | ||
1643 | return 0; | |
1644 | } | |
1645 | ||
d58d5d55 MB |
1646 | static struct snd_soc_codec *wm8903_codec; |
1647 | ||
c6f29811 MB |
1648 | static __devinit int wm8903_i2c_probe(struct i2c_client *i2c, |
1649 | const struct i2c_device_id *id) | |
f1c0a02f | 1650 | { |
8abd16a6 | 1651 | struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev); |
d58d5d55 MB |
1652 | struct wm8903_priv *wm8903; |
1653 | struct snd_soc_codec *codec; | |
73b34ead | 1654 | int ret, i; |
8abd16a6 | 1655 | int trigger, irq_pol; |
f1c0a02f MB |
1656 | u16 val; |
1657 | ||
d58d5d55 MB |
1658 | wm8903 = kzalloc(sizeof(struct wm8903_priv), GFP_KERNEL); |
1659 | if (wm8903 == NULL) | |
1660 | return -ENOMEM; | |
f1c0a02f | 1661 | |
d58d5d55 MB |
1662 | codec = &wm8903->codec; |
1663 | ||
1664 | mutex_init(&codec->mutex); | |
1665 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1666 | INIT_LIST_HEAD(&codec->dapm_paths); | |
1667 | ||
1668 | codec->dev = &i2c->dev; | |
f1c0a02f MB |
1669 | codec->name = "WM8903"; |
1670 | codec->owner = THIS_MODULE; | |
f1c0a02f MB |
1671 | codec->bias_level = SND_SOC_BIAS_OFF; |
1672 | codec->set_bias_level = wm8903_set_bias_level; | |
1673 | codec->dai = &wm8903_dai; | |
1674 | codec->num_dai = 1; | |
d58d5d55 MB |
1675 | codec->reg_cache_size = ARRAY_SIZE(wm8903->reg_cache); |
1676 | codec->reg_cache = &wm8903->reg_cache[0]; | |
b2c812e2 | 1677 | snd_soc_codec_set_drvdata(codec, wm8903); |
8d50e447 | 1678 | codec->volatile_register = wm8903_volatile_register; |
8abd16a6 | 1679 | init_completion(&wm8903->wseq); |
d58d5d55 MB |
1680 | |
1681 | i2c_set_clientdata(i2c, codec); | |
1682 | codec->control_data = i2c; | |
1683 | ||
8d50e447 MB |
1684 | ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); |
1685 | if (ret != 0) { | |
1686 | dev_err(&i2c->dev, "Failed to set cache I/O: %d\n", ret); | |
1687 | goto err; | |
1688 | } | |
1689 | ||
1690 | val = snd_soc_read(codec, WM8903_SW_RESET_AND_ID); | |
d58d5d55 MB |
1691 | if (val != wm8903_reg_defaults[WM8903_SW_RESET_AND_ID]) { |
1692 | dev_err(&i2c->dev, | |
1693 | "Device with ID register %x is not a WM8903\n", val); | |
1694 | return -ENODEV; | |
f1c0a02f MB |
1695 | } |
1696 | ||
8d50e447 | 1697 | val = snd_soc_read(codec, WM8903_REVISION_NUMBER); |
f1c0a02f MB |
1698 | dev_info(&i2c->dev, "WM8903 revision %d\n", |
1699 | val & WM8903_CHIP_REV_MASK); | |
1700 | ||
1701 | wm8903_reset(codec); | |
1702 | ||
37f88e84 | 1703 | /* Set up GPIOs and microphone detection */ |
73b34ead MB |
1704 | if (pdata) { |
1705 | for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { | |
1706 | if (!pdata->gpio_cfg[i]) | |
1707 | continue; | |
1708 | ||
1709 | snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i, | |
1710 | pdata->gpio_cfg[i] & 0xffff); | |
1711 | } | |
37f88e84 MB |
1712 | |
1713 | snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0, | |
1714 | pdata->micdet_cfg); | |
1715 | ||
1716 | /* Microphone detection needs the WSEQ clock */ | |
1717 | if (pdata->micdet_cfg) | |
1718 | snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0, | |
1719 | WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); | |
1720 | ||
1721 | wm8903->mic_delay = pdata->micdet_delay; | |
73b34ead | 1722 | } |
8abd16a6 MB |
1723 | |
1724 | if (i2c->irq) { | |
1725 | if (pdata && pdata->irq_active_low) { | |
1726 | trigger = IRQF_TRIGGER_LOW; | |
1727 | irq_pol = WM8903_IRQ_POL; | |
1728 | } else { | |
1729 | trigger = IRQF_TRIGGER_HIGH; | |
1730 | irq_pol = 0; | |
1731 | } | |
1732 | ||
1733 | snd_soc_update_bits(codec, WM8903_INTERRUPT_CONTROL, | |
1734 | WM8903_IRQ_POL, irq_pol); | |
1735 | ||
1736 | ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq, | |
1737 | trigger | IRQF_ONESHOT, | |
1738 | "wm8903", wm8903); | |
1739 | if (ret != 0) { | |
1740 | dev_err(&i2c->dev, "Failed to request IRQ: %d\n", | |
1741 | ret); | |
1742 | goto err; | |
1743 | } | |
1744 | ||
1745 | /* Enable write sequencer interrupts */ | |
1746 | snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK, | |
1747 | WM8903_IM_WSEQ_BUSY_EINT, 0); | |
1748 | } | |
73b34ead | 1749 | |
f1c0a02f MB |
1750 | /* power on device */ |
1751 | wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1752 | ||
1753 | /* Latch volume update bits */ | |
8d50e447 | 1754 | val = snd_soc_read(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT); |
f1c0a02f | 1755 | val |= WM8903_ADCVU; |
8d50e447 MB |
1756 | snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT, val); |
1757 | snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_RIGHT, val); | |
f1c0a02f | 1758 | |
8d50e447 | 1759 | val = snd_soc_read(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT); |
f1c0a02f | 1760 | val |= WM8903_DACVU; |
8d50e447 MB |
1761 | snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT, val); |
1762 | snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_RIGHT, val); | |
f1c0a02f | 1763 | |
8d50e447 | 1764 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT1_LEFT); |
f1c0a02f | 1765 | val |= WM8903_HPOUTVU; |
8d50e447 MB |
1766 | snd_soc_write(codec, WM8903_ANALOGUE_OUT1_LEFT, val); |
1767 | snd_soc_write(codec, WM8903_ANALOGUE_OUT1_RIGHT, val); | |
f1c0a02f | 1768 | |
8d50e447 | 1769 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT2_LEFT); |
f1c0a02f | 1770 | val |= WM8903_LINEOUTVU; |
8d50e447 MB |
1771 | snd_soc_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val); |
1772 | snd_soc_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val); | |
f1c0a02f | 1773 | |
8d50e447 | 1774 | val = snd_soc_read(codec, WM8903_ANALOGUE_OUT3_LEFT); |
f1c0a02f | 1775 | val |= WM8903_SPKVU; |
8d50e447 MB |
1776 | snd_soc_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val); |
1777 | snd_soc_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val); | |
f1c0a02f MB |
1778 | |
1779 | /* Enable DAC soft mute by default */ | |
8d50e447 | 1780 | val = snd_soc_read(codec, WM8903_DAC_DIGITAL_1); |
f1c0a02f | 1781 | val |= WM8903_DAC_MUTEMODE; |
8d50e447 | 1782 | snd_soc_write(codec, WM8903_DAC_DIGITAL_1, val); |
f1c0a02f | 1783 | |
d58d5d55 MB |
1784 | wm8903_dai.dev = &i2c->dev; |
1785 | wm8903_codec = codec; | |
1786 | ||
1787 | ret = snd_soc_register_codec(codec); | |
1788 | if (ret != 0) { | |
1789 | dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); | |
8abd16a6 | 1790 | goto err_irq; |
d58d5d55 MB |
1791 | } |
1792 | ||
1793 | ret = snd_soc_register_dai(&wm8903_dai); | |
1794 | if (ret != 0) { | |
1795 | dev_err(&i2c->dev, "Failed to register DAI: %d\n", ret); | |
1796 | goto err_codec; | |
f1c0a02f MB |
1797 | } |
1798 | ||
1799 | return ret; | |
1800 | ||
d58d5d55 MB |
1801 | err_codec: |
1802 | snd_soc_unregister_codec(codec); | |
8abd16a6 MB |
1803 | err_irq: |
1804 | if (i2c->irq) | |
1805 | free_irq(i2c->irq, wm8903); | |
d58d5d55 MB |
1806 | err: |
1807 | wm8903_codec = NULL; | |
1808 | kfree(wm8903); | |
f1c0a02f MB |
1809 | return ret; |
1810 | } | |
1811 | ||
c6f29811 | 1812 | static __devexit int wm8903_i2c_remove(struct i2c_client *client) |
f1c0a02f | 1813 | { |
d58d5d55 | 1814 | struct snd_soc_codec *codec = i2c_get_clientdata(client); |
b2c812e2 | 1815 | struct wm8903_priv *priv = snd_soc_codec_get_drvdata(codec); |
f1c0a02f | 1816 | |
d58d5d55 MB |
1817 | snd_soc_unregister_dai(&wm8903_dai); |
1818 | snd_soc_unregister_codec(codec); | |
f1c0a02f | 1819 | |
d58d5d55 | 1820 | wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF); |
f1c0a02f | 1821 | |
8abd16a6 MB |
1822 | if (client->irq) |
1823 | free_irq(client->irq, priv); | |
1824 | ||
b2c812e2 | 1825 | kfree(priv); |
d58d5d55 MB |
1826 | |
1827 | wm8903_codec = NULL; | |
1828 | wm8903_dai.dev = NULL; | |
f1c0a02f | 1829 | |
f1c0a02f MB |
1830 | return 0; |
1831 | } | |
1832 | ||
1833 | /* i2c codec control layer */ | |
1834 | static const struct i2c_device_id wm8903_i2c_id[] = { | |
1835 | { "wm8903", 0 }, | |
1836 | { } | |
1837 | }; | |
1838 | MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id); | |
1839 | ||
1840 | static struct i2c_driver wm8903_i2c_driver = { | |
1841 | .driver = { | |
1842 | .name = "WM8903", | |
1843 | .owner = THIS_MODULE, | |
1844 | }, | |
1845 | .probe = wm8903_i2c_probe, | |
c6f29811 | 1846 | .remove = __devexit_p(wm8903_i2c_remove), |
f1c0a02f MB |
1847 | .id_table = wm8903_i2c_id, |
1848 | }; | |
1849 | ||
f1c0a02f MB |
1850 | static int wm8903_probe(struct platform_device *pdev) |
1851 | { | |
1852 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
f1c0a02f MB |
1853 | int ret = 0; |
1854 | ||
d58d5d55 MB |
1855 | if (!wm8903_codec) { |
1856 | dev_err(&pdev->dev, "I2C device not yet probed\n"); | |
1857 | goto err; | |
f1c0a02f MB |
1858 | } |
1859 | ||
6627a653 | 1860 | socdev->card->codec = wm8903_codec; |
f1c0a02f | 1861 | |
d58d5d55 MB |
1862 | /* register pcms */ |
1863 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
1864 | if (ret < 0) { | |
1865 | dev_err(&pdev->dev, "failed to create pcms\n"); | |
1866 | goto err; | |
f1c0a02f MB |
1867 | } |
1868 | ||
6627a653 | 1869 | snd_soc_add_controls(socdev->card->codec, wm8903_snd_controls, |
3e8e1952 | 1870 | ARRAY_SIZE(wm8903_snd_controls)); |
6627a653 | 1871 | wm8903_add_widgets(socdev->card->codec); |
f1c0a02f | 1872 | |
f1c0a02f MB |
1873 | return ret; |
1874 | ||
d58d5d55 | 1875 | err: |
f1c0a02f MB |
1876 | return ret; |
1877 | } | |
1878 | ||
1879 | /* power down chip */ | |
1880 | static int wm8903_remove(struct platform_device *pdev) | |
1881 | { | |
1882 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 1883 | struct snd_soc_codec *codec = socdev->card->codec; |
f1c0a02f MB |
1884 | |
1885 | if (codec->control_data) | |
1886 | wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1887 | ||
1888 | snd_soc_free_pcms(socdev); | |
1889 | snd_soc_dapm_free(socdev); | |
f1c0a02f MB |
1890 | |
1891 | return 0; | |
1892 | } | |
1893 | ||
1894 | struct snd_soc_codec_device soc_codec_dev_wm8903 = { | |
1895 | .probe = wm8903_probe, | |
1896 | .remove = wm8903_remove, | |
1897 | .suspend = wm8903_suspend, | |
1898 | .resume = wm8903_resume, | |
1899 | }; | |
1900 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8903); | |
1901 | ||
c9b3a40f | 1902 | static int __init wm8903_modinit(void) |
64089b84 | 1903 | { |
d58d5d55 | 1904 | return i2c_add_driver(&wm8903_i2c_driver); |
64089b84 MB |
1905 | } |
1906 | module_init(wm8903_modinit); | |
1907 | ||
1908 | static void __exit wm8903_exit(void) | |
1909 | { | |
d58d5d55 | 1910 | i2c_del_driver(&wm8903_i2c_driver); |
64089b84 MB |
1911 | } |
1912 | module_exit(wm8903_exit); | |
1913 | ||
f1c0a02f MB |
1914 | MODULE_DESCRIPTION("ASoC WM8903 driver"); |
1915 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>"); | |
1916 | MODULE_LICENSE("GPL"); |