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Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
[deliverable/linux.git] / sound / soc / codecs / twl4030.c
1 /*
2 * ALSA SoC TWL4030 codec driver
3 *
4 * Author: Steve Sakoman, <steve@sakoman.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/pm.h>
27 #include <linux/i2c.h>
28 #include <linux/platform_device.h>
29 #include <linux/mfd/core.h>
30 #include <linux/i2c/twl.h>
31 #include <linux/slab.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/pcm_params.h>
35 #include <sound/soc.h>
36 #include <sound/initval.h>
37 #include <sound/tlv.h>
38
39 /* Register descriptions are here */
40 #include <linux/mfd/twl4030-codec.h>
41
42 /* Shadow register used by the audio driver */
43 #define TWL4030_REG_SW_SHADOW 0x4A
44 #define TWL4030_CACHEREGNUM (TWL4030_REG_SW_SHADOW + 1)
45
46 /* TWL4030_REG_SW_SHADOW (0x4A) Fields */
47 #define TWL4030_HFL_EN 0x01
48 #define TWL4030_HFR_EN 0x02
49
50 /*
51 * twl4030 register cache & default register settings
52 */
53 static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
54 0x00, /* this register not used */
55 0x00, /* REG_CODEC_MODE (0x1) */
56 0x00, /* REG_OPTION (0x2) */
57 0x00, /* REG_UNKNOWN (0x3) */
58 0x00, /* REG_MICBIAS_CTL (0x4) */
59 0x00, /* REG_ANAMICL (0x5) */
60 0x00, /* REG_ANAMICR (0x6) */
61 0x00, /* REG_AVADC_CTL (0x7) */
62 0x00, /* REG_ADCMICSEL (0x8) */
63 0x00, /* REG_DIGMIXING (0x9) */
64 0x0f, /* REG_ATXL1PGA (0xA) */
65 0x0f, /* REG_ATXR1PGA (0xB) */
66 0x0f, /* REG_AVTXL2PGA (0xC) */
67 0x0f, /* REG_AVTXR2PGA (0xD) */
68 0x00, /* REG_AUDIO_IF (0xE) */
69 0x00, /* REG_VOICE_IF (0xF) */
70 0x3f, /* REG_ARXR1PGA (0x10) */
71 0x3f, /* REG_ARXL1PGA (0x11) */
72 0x3f, /* REG_ARXR2PGA (0x12) */
73 0x3f, /* REG_ARXL2PGA (0x13) */
74 0x25, /* REG_VRXPGA (0x14) */
75 0x00, /* REG_VSTPGA (0x15) */
76 0x00, /* REG_VRX2ARXPGA (0x16) */
77 0x00, /* REG_AVDAC_CTL (0x17) */
78 0x00, /* REG_ARX2VTXPGA (0x18) */
79 0x32, /* REG_ARXL1_APGA_CTL (0x19) */
80 0x32, /* REG_ARXR1_APGA_CTL (0x1A) */
81 0x32, /* REG_ARXL2_APGA_CTL (0x1B) */
82 0x32, /* REG_ARXR2_APGA_CTL (0x1C) */
83 0x00, /* REG_ATX2ARXPGA (0x1D) */
84 0x00, /* REG_BT_IF (0x1E) */
85 0x55, /* REG_BTPGA (0x1F) */
86 0x00, /* REG_BTSTPGA (0x20) */
87 0x00, /* REG_EAR_CTL (0x21) */
88 0x00, /* REG_HS_SEL (0x22) */
89 0x00, /* REG_HS_GAIN_SET (0x23) */
90 0x00, /* REG_HS_POPN_SET (0x24) */
91 0x00, /* REG_PREDL_CTL (0x25) */
92 0x00, /* REG_PREDR_CTL (0x26) */
93 0x00, /* REG_PRECKL_CTL (0x27) */
94 0x00, /* REG_PRECKR_CTL (0x28) */
95 0x00, /* REG_HFL_CTL (0x29) */
96 0x00, /* REG_HFR_CTL (0x2A) */
97 0x05, /* REG_ALC_CTL (0x2B) */
98 0x00, /* REG_ALC_SET1 (0x2C) */
99 0x00, /* REG_ALC_SET2 (0x2D) */
100 0x00, /* REG_BOOST_CTL (0x2E) */
101 0x00, /* REG_SOFTVOL_CTL (0x2F) */
102 0x13, /* REG_DTMF_FREQSEL (0x30) */
103 0x00, /* REG_DTMF_TONEXT1H (0x31) */
104 0x00, /* REG_DTMF_TONEXT1L (0x32) */
105 0x00, /* REG_DTMF_TONEXT2H (0x33) */
106 0x00, /* REG_DTMF_TONEXT2L (0x34) */
107 0x79, /* REG_DTMF_TONOFF (0x35) */
108 0x11, /* REG_DTMF_WANONOFF (0x36) */
109 0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */
110 0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */
111 0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */
112 0x06, /* REG_APLL_CTL (0x3A) */
113 0x00, /* REG_DTMF_CTL (0x3B) */
114 0x44, /* REG_DTMF_PGA_CTL2 (0x3C) */
115 0x69, /* REG_DTMF_PGA_CTL1 (0x3D) */
116 0x00, /* REG_MISC_SET_1 (0x3E) */
117 0x00, /* REG_PCMBTMUX (0x3F) */
118 0x00, /* not used (0x40) */
119 0x00, /* not used (0x41) */
120 0x00, /* not used (0x42) */
121 0x00, /* REG_RX_PATH_SEL (0x43) */
122 0x32, /* REG_VDL_APGA_CTL (0x44) */
123 0x00, /* REG_VIBRA_CTL (0x45) */
124 0x00, /* REG_VIBRA_SET (0x46) */
125 0x00, /* REG_VIBRA_PWM_SET (0x47) */
126 0x00, /* REG_ANAMIC_GAIN (0x48) */
127 0x00, /* REG_MISC_SET_2 (0x49) */
128 0x00, /* REG_SW_SHADOW (0x4A) - Shadow, non HW register */
129 };
130
131 /* codec private data */
132 struct twl4030_priv {
133 struct snd_soc_codec codec;
134
135 unsigned int codec_powered;
136
137 /* reference counts of AIF/APLL users */
138 unsigned int apll_enabled;
139
140 struct snd_pcm_substream *master_substream;
141 struct snd_pcm_substream *slave_substream;
142
143 unsigned int configured;
144 unsigned int rate;
145 unsigned int sample_bits;
146 unsigned int channels;
147
148 unsigned int sysclk;
149
150 /* Output (with associated amp) states */
151 u8 hsl_enabled, hsr_enabled;
152 u8 earpiece_enabled;
153 u8 predrivel_enabled, predriver_enabled;
154 u8 carkitl_enabled, carkitr_enabled;
155
156 /* Delay needed after enabling the digimic interface */
157 unsigned int digimic_delay;
158 };
159
160 /*
161 * read twl4030 register cache
162 */
163 static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec,
164 unsigned int reg)
165 {
166 u8 *cache = codec->reg_cache;
167
168 if (reg >= TWL4030_CACHEREGNUM)
169 return -EIO;
170
171 return cache[reg];
172 }
173
174 /*
175 * write twl4030 register cache
176 */
177 static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec,
178 u8 reg, u8 value)
179 {
180 u8 *cache = codec->reg_cache;
181
182 if (reg >= TWL4030_CACHEREGNUM)
183 return;
184 cache[reg] = value;
185 }
186
187 /*
188 * write to the twl4030 register space
189 */
190 static int twl4030_write(struct snd_soc_codec *codec,
191 unsigned int reg, unsigned int value)
192 {
193 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
194 int write_to_reg = 0;
195
196 twl4030_write_reg_cache(codec, reg, value);
197 if (likely(reg < TWL4030_REG_SW_SHADOW)) {
198 /* Decide if the given register can be written */
199 switch (reg) {
200 case TWL4030_REG_EAR_CTL:
201 if (twl4030->earpiece_enabled)
202 write_to_reg = 1;
203 break;
204 case TWL4030_REG_PREDL_CTL:
205 if (twl4030->predrivel_enabled)
206 write_to_reg = 1;
207 break;
208 case TWL4030_REG_PREDR_CTL:
209 if (twl4030->predriver_enabled)
210 write_to_reg = 1;
211 break;
212 case TWL4030_REG_PRECKL_CTL:
213 if (twl4030->carkitl_enabled)
214 write_to_reg = 1;
215 break;
216 case TWL4030_REG_PRECKR_CTL:
217 if (twl4030->carkitr_enabled)
218 write_to_reg = 1;
219 break;
220 case TWL4030_REG_HS_GAIN_SET:
221 if (twl4030->hsl_enabled || twl4030->hsr_enabled)
222 write_to_reg = 1;
223 break;
224 default:
225 /* All other register can be written */
226 write_to_reg = 1;
227 break;
228 }
229 if (write_to_reg)
230 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
231 value, reg);
232 }
233 return 0;
234 }
235
236 static inline void twl4030_wait_ms(int time)
237 {
238 if (time < 60) {
239 time *= 1000;
240 usleep_range(time, time + 500);
241 } else {
242 msleep(time);
243 }
244 }
245
246 static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
247 {
248 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
249 int mode;
250
251 if (enable == twl4030->codec_powered)
252 return;
253
254 if (enable)
255 mode = twl4030_codec_enable_resource(TWL4030_CODEC_RES_POWER);
256 else
257 mode = twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
258
259 if (mode >= 0) {
260 twl4030_write_reg_cache(codec, TWL4030_REG_CODEC_MODE, mode);
261 twl4030->codec_powered = enable;
262 }
263
264 /* REVISIT: this delay is present in TI sample drivers */
265 /* but there seems to be no TRM requirement for it */
266 udelay(10);
267 }
268
269 static inline void twl4030_check_defaults(struct snd_soc_codec *codec)
270 {
271 int i, difference = 0;
272 u8 val;
273
274 dev_dbg(codec->dev, "Checking TWL audio default configuration\n");
275 for (i = 1; i <= TWL4030_REG_MISC_SET_2; i++) {
276 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val, i);
277 if (val != twl4030_reg[i]) {
278 difference++;
279 dev_dbg(codec->dev,
280 "Reg 0x%02x: chip: 0x%02x driver: 0x%02x\n",
281 i, val, twl4030_reg[i]);
282 }
283 }
284 dev_dbg(codec->dev, "Found %d non-matching registers. %s\n",
285 difference, difference ? "Not OK" : "OK");
286 }
287
288 static inline void twl4030_reset_registers(struct snd_soc_codec *codec)
289 {
290 int i;
291
292 /* set all audio section registers to reasonable defaults */
293 for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++)
294 if (i != TWL4030_REG_APLL_CTL)
295 twl4030_write(codec, i, twl4030_reg[i]);
296
297 }
298
299 static void twl4030_init_chip(struct snd_soc_codec *codec)
300 {
301 struct twl4030_codec_audio_data *pdata = dev_get_platdata(codec->dev);
302 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
303 u8 reg, byte;
304 int i = 0;
305
306 /* Check defaults, if instructed before anything else */
307 if (pdata && pdata->check_defaults)
308 twl4030_check_defaults(codec);
309
310 /* Reset registers, if no setup data or if instructed to do so */
311 if (!pdata || (pdata && pdata->reset_registers))
312 twl4030_reset_registers(codec);
313
314 /* Refresh APLL_CTL register from HW */
315 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
316 TWL4030_REG_APLL_CTL);
317 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, byte);
318
319 /* anti-pop when changing analog gain */
320 reg = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1);
321 twl4030_write(codec, TWL4030_REG_MISC_SET_1,
322 reg | TWL4030_SMOOTH_ANAVOL_EN);
323
324 twl4030_write(codec, TWL4030_REG_OPTION,
325 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
326 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
327
328 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
329 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
330
331 /* Machine dependent setup */
332 if (!pdata)
333 return;
334
335 twl4030->digimic_delay = pdata->digimic_delay;
336
337 reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
338 reg &= ~TWL4030_RAMP_DELAY;
339 reg |= (pdata->ramp_delay_value << 2);
340 twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, reg);
341
342 /* initiate offset cancellation */
343 twl4030_codec_enable(codec, 1);
344
345 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
346 reg &= ~TWL4030_OFFSET_CNCL_SEL;
347 reg |= pdata->offset_cncl_path;
348 twl4030_write(codec, TWL4030_REG_ANAMICL,
349 reg | TWL4030_CNCL_OFFSET_START);
350
351 /*
352 * Wait for offset cancellation to complete.
353 * Since this takes a while, do not slam the i2c.
354 * Start polling the status after ~20ms.
355 */
356 msleep(20);
357 do {
358 usleep_range(1000, 2000);
359 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
360 TWL4030_REG_ANAMICL);
361 } while ((i++ < 100) &&
362 ((byte & TWL4030_CNCL_OFFSET_START) ==
363 TWL4030_CNCL_OFFSET_START));
364
365 /* Make sure that the reg_cache has the same value as the HW */
366 twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte);
367
368 twl4030_codec_enable(codec, 0);
369 }
370
371 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
372 {
373 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
374 int status = -1;
375
376 if (enable) {
377 twl4030->apll_enabled++;
378 if (twl4030->apll_enabled == 1)
379 status = twl4030_codec_enable_resource(
380 TWL4030_CODEC_RES_APLL);
381 } else {
382 twl4030->apll_enabled--;
383 if (!twl4030->apll_enabled)
384 status = twl4030_codec_disable_resource(
385 TWL4030_CODEC_RES_APLL);
386 }
387
388 if (status >= 0)
389 twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status);
390 }
391
392 /* Earpiece */
393 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
394 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
395 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
396 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
397 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
398 };
399
400 /* PreDrive Left */
401 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
402 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
403 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
404 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
405 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
406 };
407
408 /* PreDrive Right */
409 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
410 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
411 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
412 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
413 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
414 };
415
416 /* Headset Left */
417 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
418 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
419 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
420 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
421 };
422
423 /* Headset Right */
424 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
425 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
426 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
427 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
428 };
429
430 /* Carkit Left */
431 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
432 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
433 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
434 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
435 };
436
437 /* Carkit Right */
438 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
439 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
440 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
441 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
442 };
443
444 /* Handsfree Left */
445 static const char *twl4030_handsfreel_texts[] =
446 {"Voice", "AudioL1", "AudioL2", "AudioR2"};
447
448 static const struct soc_enum twl4030_handsfreel_enum =
449 SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0,
450 ARRAY_SIZE(twl4030_handsfreel_texts),
451 twl4030_handsfreel_texts);
452
453 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control =
454 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
455
456 /* Handsfree Left virtual mute */
457 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control =
458 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 0, 1, 0);
459
460 /* Handsfree Right */
461 static const char *twl4030_handsfreer_texts[] =
462 {"Voice", "AudioR1", "AudioR2", "AudioL2"};
463
464 static const struct soc_enum twl4030_handsfreer_enum =
465 SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0,
466 ARRAY_SIZE(twl4030_handsfreer_texts),
467 twl4030_handsfreer_texts);
468
469 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
470 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
471
472 /* Handsfree Right virtual mute */
473 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
474 SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 1, 1, 0);
475
476 /* Vibra */
477 /* Vibra audio path selection */
478 static const char *twl4030_vibra_texts[] =
479 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
480
481 static const struct soc_enum twl4030_vibra_enum =
482 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2,
483 ARRAY_SIZE(twl4030_vibra_texts),
484 twl4030_vibra_texts);
485
486 static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
487 SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
488
489 /* Vibra path selection: local vibrator (PWM) or audio driven */
490 static const char *twl4030_vibrapath_texts[] =
491 {"Local vibrator", "Audio"};
492
493 static const struct soc_enum twl4030_vibrapath_enum =
494 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4,
495 ARRAY_SIZE(twl4030_vibrapath_texts),
496 twl4030_vibrapath_texts);
497
498 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
499 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
500
501 /* Left analog microphone selection */
502 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
503 SOC_DAPM_SINGLE("Main Mic Capture Switch",
504 TWL4030_REG_ANAMICL, 0, 1, 0),
505 SOC_DAPM_SINGLE("Headset Mic Capture Switch",
506 TWL4030_REG_ANAMICL, 1, 1, 0),
507 SOC_DAPM_SINGLE("AUXL Capture Switch",
508 TWL4030_REG_ANAMICL, 2, 1, 0),
509 SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
510 TWL4030_REG_ANAMICL, 3, 1, 0),
511 };
512
513 /* Right analog microphone selection */
514 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
515 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
516 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
517 };
518
519 /* TX1 L/R Analog/Digital microphone selection */
520 static const char *twl4030_micpathtx1_texts[] =
521 {"Analog", "Digimic0"};
522
523 static const struct soc_enum twl4030_micpathtx1_enum =
524 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0,
525 ARRAY_SIZE(twl4030_micpathtx1_texts),
526 twl4030_micpathtx1_texts);
527
528 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
529 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
530
531 /* TX2 L/R Analog/Digital microphone selection */
532 static const char *twl4030_micpathtx2_texts[] =
533 {"Analog", "Digimic1"};
534
535 static const struct soc_enum twl4030_micpathtx2_enum =
536 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2,
537 ARRAY_SIZE(twl4030_micpathtx2_texts),
538 twl4030_micpathtx2_texts);
539
540 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
541 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
542
543 /* Analog bypass for AudioR1 */
544 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
545 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
546
547 /* Analog bypass for AudioL1 */
548 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
549 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
550
551 /* Analog bypass for AudioR2 */
552 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
553 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
554
555 /* Analog bypass for AudioL2 */
556 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
557 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
558
559 /* Analog bypass for Voice */
560 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
561 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
562
563 /* Digital bypass gain, mute instead of -30dB */
564 static const unsigned int twl4030_dapm_dbypass_tlv[] = {
565 TLV_DB_RANGE_HEAD(3),
566 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
567 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
568 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
569 };
570
571 /* Digital bypass left (TX1L -> RX2L) */
572 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
573 SOC_DAPM_SINGLE_TLV("Volume",
574 TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
575 twl4030_dapm_dbypass_tlv);
576
577 /* Digital bypass right (TX1R -> RX2R) */
578 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
579 SOC_DAPM_SINGLE_TLV("Volume",
580 TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
581 twl4030_dapm_dbypass_tlv);
582
583 /*
584 * Voice Sidetone GAIN volume control:
585 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
586 */
587 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
588
589 /* Digital bypass voice: sidetone (VUL -> VDL)*/
590 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
591 SOC_DAPM_SINGLE_TLV("Volume",
592 TWL4030_REG_VSTPGA, 0, 0x29, 0,
593 twl4030_dapm_dbypassv_tlv);
594
595 /*
596 * Output PGA builder:
597 * Handle the muting and unmuting of the given output (turning off the
598 * amplifier associated with the output pin)
599 * On mute bypass the reg_cache and write 0 to the register
600 * On unmute: restore the register content from the reg_cache
601 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
602 */
603 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \
604 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
605 struct snd_kcontrol *kcontrol, int event) \
606 { \
607 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \
608 \
609 switch (event) { \
610 case SND_SOC_DAPM_POST_PMU: \
611 twl4030->pin_name##_enabled = 1; \
612 twl4030_write(w->codec, reg, \
613 twl4030_read_reg_cache(w->codec, reg)); \
614 break; \
615 case SND_SOC_DAPM_POST_PMD: \
616 twl4030->pin_name##_enabled = 0; \
617 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, \
618 0, reg); \
619 break; \
620 } \
621 return 0; \
622 }
623
624 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
625 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
626 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
627 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
628 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
629
630 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
631 {
632 unsigned char hs_ctl;
633
634 hs_ctl = twl4030_read_reg_cache(codec, reg);
635
636 if (ramp) {
637 /* HF ramp-up */
638 hs_ctl |= TWL4030_HF_CTL_REF_EN;
639 twl4030_write(codec, reg, hs_ctl);
640 udelay(10);
641 hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
642 twl4030_write(codec, reg, hs_ctl);
643 udelay(40);
644 hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
645 hs_ctl |= TWL4030_HF_CTL_HB_EN;
646 twl4030_write(codec, reg, hs_ctl);
647 } else {
648 /* HF ramp-down */
649 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
650 hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
651 twl4030_write(codec, reg, hs_ctl);
652 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
653 twl4030_write(codec, reg, hs_ctl);
654 udelay(40);
655 hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
656 twl4030_write(codec, reg, hs_ctl);
657 }
658 }
659
660 static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
661 struct snd_kcontrol *kcontrol, int event)
662 {
663 switch (event) {
664 case SND_SOC_DAPM_POST_PMU:
665 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1);
666 break;
667 case SND_SOC_DAPM_POST_PMD:
668 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0);
669 break;
670 }
671 return 0;
672 }
673
674 static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
675 struct snd_kcontrol *kcontrol, int event)
676 {
677 switch (event) {
678 case SND_SOC_DAPM_POST_PMU:
679 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1);
680 break;
681 case SND_SOC_DAPM_POST_PMD:
682 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0);
683 break;
684 }
685 return 0;
686 }
687
688 static int vibramux_event(struct snd_soc_dapm_widget *w,
689 struct snd_kcontrol *kcontrol, int event)
690 {
691 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff);
692 return 0;
693 }
694
695 static int apll_event(struct snd_soc_dapm_widget *w,
696 struct snd_kcontrol *kcontrol, int event)
697 {
698 switch (event) {
699 case SND_SOC_DAPM_PRE_PMU:
700 twl4030_apll_enable(w->codec, 1);
701 break;
702 case SND_SOC_DAPM_POST_PMD:
703 twl4030_apll_enable(w->codec, 0);
704 break;
705 }
706 return 0;
707 }
708
709 static int aif_event(struct snd_soc_dapm_widget *w,
710 struct snd_kcontrol *kcontrol, int event)
711 {
712 u8 audio_if;
713
714 audio_if = twl4030_read_reg_cache(w->codec, TWL4030_REG_AUDIO_IF);
715 switch (event) {
716 case SND_SOC_DAPM_PRE_PMU:
717 /* Enable AIF */
718 /* enable the PLL before we use it to clock the DAI */
719 twl4030_apll_enable(w->codec, 1);
720
721 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
722 audio_if | TWL4030_AIF_EN);
723 break;
724 case SND_SOC_DAPM_POST_PMD:
725 /* disable the DAI before we stop it's source PLL */
726 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
727 audio_if & ~TWL4030_AIF_EN);
728 twl4030_apll_enable(w->codec, 0);
729 break;
730 }
731 return 0;
732 }
733
734 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
735 {
736 struct twl4030_codec_audio_data *pdata =
737 mfd_get_data(to_platform_device(codec->dev));
738 unsigned char hs_gain, hs_pop;
739 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
740 /* Base values for ramp delay calculation: 2^19 - 2^26 */
741 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
742 8388608, 16777216, 33554432, 67108864};
743 unsigned int delay;
744
745 hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET);
746 hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
747 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
748 twl4030->sysclk) + 1;
749
750 /* Enable external mute control, this dramatically reduces
751 * the pop-noise */
752 if (pdata && pdata->hs_extmute) {
753 if (pdata->set_hs_extmute) {
754 pdata->set_hs_extmute(1);
755 } else {
756 hs_pop |= TWL4030_EXTMUTE;
757 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
758 }
759 }
760
761 if (ramp) {
762 /* Headset ramp-up according to the TRM */
763 hs_pop |= TWL4030_VMID_EN;
764 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
765 /* Actually write to the register */
766 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
767 hs_gain,
768 TWL4030_REG_HS_GAIN_SET);
769 hs_pop |= TWL4030_RAMP_EN;
770 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
771 /* Wait ramp delay time + 1, so the VMID can settle */
772 twl4030_wait_ms(delay);
773 } else {
774 /* Headset ramp-down _not_ according to
775 * the TRM, but in a way that it is working */
776 hs_pop &= ~TWL4030_RAMP_EN;
777 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
778 /* Wait ramp delay time + 1, so the VMID can settle */
779 twl4030_wait_ms(delay);
780 /* Bypass the reg_cache to mute the headset */
781 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
782 hs_gain & (~0x0f),
783 TWL4030_REG_HS_GAIN_SET);
784
785 hs_pop &= ~TWL4030_VMID_EN;
786 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
787 }
788
789 /* Disable external mute */
790 if (pdata && pdata->hs_extmute) {
791 if (pdata->set_hs_extmute) {
792 pdata->set_hs_extmute(0);
793 } else {
794 hs_pop &= ~TWL4030_EXTMUTE;
795 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
796 }
797 }
798 }
799
800 static int headsetlpga_event(struct snd_soc_dapm_widget *w,
801 struct snd_kcontrol *kcontrol, int event)
802 {
803 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
804
805 switch (event) {
806 case SND_SOC_DAPM_POST_PMU:
807 /* Do the ramp-up only once */
808 if (!twl4030->hsr_enabled)
809 headset_ramp(w->codec, 1);
810
811 twl4030->hsl_enabled = 1;
812 break;
813 case SND_SOC_DAPM_POST_PMD:
814 /* Do the ramp-down only if both headsetL/R is disabled */
815 if (!twl4030->hsr_enabled)
816 headset_ramp(w->codec, 0);
817
818 twl4030->hsl_enabled = 0;
819 break;
820 }
821 return 0;
822 }
823
824 static int headsetrpga_event(struct snd_soc_dapm_widget *w,
825 struct snd_kcontrol *kcontrol, int event)
826 {
827 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
828
829 switch (event) {
830 case SND_SOC_DAPM_POST_PMU:
831 /* Do the ramp-up only once */
832 if (!twl4030->hsl_enabled)
833 headset_ramp(w->codec, 1);
834
835 twl4030->hsr_enabled = 1;
836 break;
837 case SND_SOC_DAPM_POST_PMD:
838 /* Do the ramp-down only if both headsetL/R is disabled */
839 if (!twl4030->hsl_enabled)
840 headset_ramp(w->codec, 0);
841
842 twl4030->hsr_enabled = 0;
843 break;
844 }
845 return 0;
846 }
847
848 static int digimic_event(struct snd_soc_dapm_widget *w,
849 struct snd_kcontrol *kcontrol, int event)
850 {
851 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
852
853 if (twl4030->digimic_delay)
854 twl4030_wait_ms(twl4030->digimic_delay);
855 return 0;
856 }
857
858 /*
859 * Some of the gain controls in TWL (mostly those which are associated with
860 * the outputs) are implemented in an interesting way:
861 * 0x0 : Power down (mute)
862 * 0x1 : 6dB
863 * 0x2 : 0 dB
864 * 0x3 : -6 dB
865 * Inverting not going to help with these.
866 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
867 */
868 #define SOC_DOUBLE_TLV_TWL4030(xname, xreg, shift_left, shift_right, xmax,\
869 xinvert, tlv_array) \
870 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
871 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
872 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
873 .tlv.p = (tlv_array), \
874 .info = snd_soc_info_volsw, \
875 .get = snd_soc_get_volsw_twl4030, \
876 .put = snd_soc_put_volsw_twl4030, \
877 .private_value = (unsigned long)&(struct soc_mixer_control) \
878 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
879 .max = xmax, .invert = xinvert} }
880 #define SOC_DOUBLE_R_TLV_TWL4030(xname, reg_left, reg_right, xshift, xmax,\
881 xinvert, tlv_array) \
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
883 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
884 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
885 .tlv.p = (tlv_array), \
886 .info = snd_soc_info_volsw_2r, \
887 .get = snd_soc_get_volsw_r2_twl4030,\
888 .put = snd_soc_put_volsw_r2_twl4030, \
889 .private_value = (unsigned long)&(struct soc_mixer_control) \
890 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
891 .rshift = xshift, .max = xmax, .invert = xinvert} }
892 #define SOC_SINGLE_TLV_TWL4030(xname, xreg, xshift, xmax, xinvert, tlv_array) \
893 SOC_DOUBLE_TLV_TWL4030(xname, xreg, xshift, xshift, xmax, \
894 xinvert, tlv_array)
895
896 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
897 struct snd_ctl_elem_value *ucontrol)
898 {
899 struct soc_mixer_control *mc =
900 (struct soc_mixer_control *)kcontrol->private_value;
901 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
902 unsigned int reg = mc->reg;
903 unsigned int shift = mc->shift;
904 unsigned int rshift = mc->rshift;
905 int max = mc->max;
906 int mask = (1 << fls(max)) - 1;
907
908 ucontrol->value.integer.value[0] =
909 (snd_soc_read(codec, reg) >> shift) & mask;
910 if (ucontrol->value.integer.value[0])
911 ucontrol->value.integer.value[0] =
912 max + 1 - ucontrol->value.integer.value[0];
913
914 if (shift != rshift) {
915 ucontrol->value.integer.value[1] =
916 (snd_soc_read(codec, reg) >> rshift) & mask;
917 if (ucontrol->value.integer.value[1])
918 ucontrol->value.integer.value[1] =
919 max + 1 - ucontrol->value.integer.value[1];
920 }
921
922 return 0;
923 }
924
925 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
926 struct snd_ctl_elem_value *ucontrol)
927 {
928 struct soc_mixer_control *mc =
929 (struct soc_mixer_control *)kcontrol->private_value;
930 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
931 unsigned int reg = mc->reg;
932 unsigned int shift = mc->shift;
933 unsigned int rshift = mc->rshift;
934 int max = mc->max;
935 int mask = (1 << fls(max)) - 1;
936 unsigned short val, val2, val_mask;
937
938 val = (ucontrol->value.integer.value[0] & mask);
939
940 val_mask = mask << shift;
941 if (val)
942 val = max + 1 - val;
943 val = val << shift;
944 if (shift != rshift) {
945 val2 = (ucontrol->value.integer.value[1] & mask);
946 val_mask |= mask << rshift;
947 if (val2)
948 val2 = max + 1 - val2;
949 val |= val2 << rshift;
950 }
951 return snd_soc_update_bits(codec, reg, val_mask, val);
952 }
953
954 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
955 struct snd_ctl_elem_value *ucontrol)
956 {
957 struct soc_mixer_control *mc =
958 (struct soc_mixer_control *)kcontrol->private_value;
959 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
960 unsigned int reg = mc->reg;
961 unsigned int reg2 = mc->rreg;
962 unsigned int shift = mc->shift;
963 int max = mc->max;
964 int mask = (1<<fls(max))-1;
965
966 ucontrol->value.integer.value[0] =
967 (snd_soc_read(codec, reg) >> shift) & mask;
968 ucontrol->value.integer.value[1] =
969 (snd_soc_read(codec, reg2) >> shift) & mask;
970
971 if (ucontrol->value.integer.value[0])
972 ucontrol->value.integer.value[0] =
973 max + 1 - ucontrol->value.integer.value[0];
974 if (ucontrol->value.integer.value[1])
975 ucontrol->value.integer.value[1] =
976 max + 1 - ucontrol->value.integer.value[1];
977
978 return 0;
979 }
980
981 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
982 struct snd_ctl_elem_value *ucontrol)
983 {
984 struct soc_mixer_control *mc =
985 (struct soc_mixer_control *)kcontrol->private_value;
986 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
987 unsigned int reg = mc->reg;
988 unsigned int reg2 = mc->rreg;
989 unsigned int shift = mc->shift;
990 int max = mc->max;
991 int mask = (1 << fls(max)) - 1;
992 int err;
993 unsigned short val, val2, val_mask;
994
995 val_mask = mask << shift;
996 val = (ucontrol->value.integer.value[0] & mask);
997 val2 = (ucontrol->value.integer.value[1] & mask);
998
999 if (val)
1000 val = max + 1 - val;
1001 if (val2)
1002 val2 = max + 1 - val2;
1003
1004 val = val << shift;
1005 val2 = val2 << shift;
1006
1007 err = snd_soc_update_bits(codec, reg, val_mask, val);
1008 if (err < 0)
1009 return err;
1010
1011 err = snd_soc_update_bits(codec, reg2, val_mask, val2);
1012 return err;
1013 }
1014
1015 /* Codec operation modes */
1016 static const char *twl4030_op_modes_texts[] = {
1017 "Option 2 (voice/audio)", "Option 1 (audio)"
1018 };
1019
1020 static const struct soc_enum twl4030_op_modes_enum =
1021 SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0,
1022 ARRAY_SIZE(twl4030_op_modes_texts),
1023 twl4030_op_modes_texts);
1024
1025 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
1026 struct snd_ctl_elem_value *ucontrol)
1027 {
1028 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1029 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1030 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1031 unsigned short val;
1032 unsigned short mask, bitmask;
1033
1034 if (twl4030->configured) {
1035 printk(KERN_ERR "twl4030 operation mode cannot be "
1036 "changed on-the-fly\n");
1037 return -EBUSY;
1038 }
1039
1040 for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
1041 ;
1042 if (ucontrol->value.enumerated.item[0] > e->max - 1)
1043 return -EINVAL;
1044
1045 val = ucontrol->value.enumerated.item[0] << e->shift_l;
1046 mask = (bitmask - 1) << e->shift_l;
1047 if (e->shift_l != e->shift_r) {
1048 if (ucontrol->value.enumerated.item[1] > e->max - 1)
1049 return -EINVAL;
1050 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
1051 mask |= (bitmask - 1) << e->shift_r;
1052 }
1053
1054 return snd_soc_update_bits(codec, e->reg, mask, val);
1055 }
1056
1057 /*
1058 * FGAIN volume control:
1059 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
1060 */
1061 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
1062
1063 /*
1064 * CGAIN volume control:
1065 * 0 dB to 12 dB in 6 dB steps
1066 * value 2 and 3 means 12 dB
1067 */
1068 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
1069
1070 /*
1071 * Voice Downlink GAIN volume control:
1072 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
1073 */
1074 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
1075
1076 /*
1077 * Analog playback gain
1078 * -24 dB to 12 dB in 2 dB steps
1079 */
1080 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
1081
1082 /*
1083 * Gain controls tied to outputs
1084 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1085 */
1086 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1087
1088 /*
1089 * Gain control for earpiece amplifier
1090 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1091 */
1092 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1093
1094 /*
1095 * Capture gain after the ADCs
1096 * from 0 dB to 31 dB in 1 dB steps
1097 */
1098 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1099
1100 /*
1101 * Gain control for input amplifiers
1102 * 0 dB to 30 dB in 6 dB steps
1103 */
1104 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1105
1106 /* AVADC clock priority */
1107 static const char *twl4030_avadc_clk_priority_texts[] = {
1108 "Voice high priority", "HiFi high priority"
1109 };
1110
1111 static const struct soc_enum twl4030_avadc_clk_priority_enum =
1112 SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2,
1113 ARRAY_SIZE(twl4030_avadc_clk_priority_texts),
1114 twl4030_avadc_clk_priority_texts);
1115
1116 static const char *twl4030_rampdelay_texts[] = {
1117 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1118 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1119 "3495/2581/1748 ms"
1120 };
1121
1122 static const struct soc_enum twl4030_rampdelay_enum =
1123 SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2,
1124 ARRAY_SIZE(twl4030_rampdelay_texts),
1125 twl4030_rampdelay_texts);
1126
1127 /* Vibra H-bridge direction mode */
1128 static const char *twl4030_vibradirmode_texts[] = {
1129 "Vibra H-bridge direction", "Audio data MSB",
1130 };
1131
1132 static const struct soc_enum twl4030_vibradirmode_enum =
1133 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5,
1134 ARRAY_SIZE(twl4030_vibradirmode_texts),
1135 twl4030_vibradirmode_texts);
1136
1137 /* Vibra H-bridge direction */
1138 static const char *twl4030_vibradir_texts[] = {
1139 "Positive polarity", "Negative polarity",
1140 };
1141
1142 static const struct soc_enum twl4030_vibradir_enum =
1143 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1,
1144 ARRAY_SIZE(twl4030_vibradir_texts),
1145 twl4030_vibradir_texts);
1146
1147 /* Digimic Left and right swapping */
1148 static const char *twl4030_digimicswap_texts[] = {
1149 "Not swapped", "Swapped",
1150 };
1151
1152 static const struct soc_enum twl4030_digimicswap_enum =
1153 SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0,
1154 ARRAY_SIZE(twl4030_digimicswap_texts),
1155 twl4030_digimicswap_texts);
1156
1157 static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1158 /* Codec operation mode control */
1159 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1160 snd_soc_get_enum_double,
1161 snd_soc_put_twl4030_opmode_enum_double),
1162
1163 /* Common playback gain controls */
1164 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1165 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1166 0, 0x3f, 0, digital_fine_tlv),
1167 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1168 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1169 0, 0x3f, 0, digital_fine_tlv),
1170
1171 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1172 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1173 6, 0x2, 0, digital_coarse_tlv),
1174 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1175 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1176 6, 0x2, 0, digital_coarse_tlv),
1177
1178 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1179 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1180 3, 0x12, 1, analog_tlv),
1181 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1182 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1183 3, 0x12, 1, analog_tlv),
1184 SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1185 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1186 1, 1, 0),
1187 SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1188 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1189 1, 1, 0),
1190
1191 /* Common voice downlink gain controls */
1192 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1193 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1194
1195 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1196 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1197
1198 SOC_SINGLE("DAC Voice Analog Downlink Switch",
1199 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1200
1201 /* Separate output gain controls */
1202 SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume",
1203 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1204 4, 3, 0, output_tvl),
1205
1206 SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume",
1207 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl),
1208
1209 SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume",
1210 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1211 4, 3, 0, output_tvl),
1212
1213 SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume",
1214 TWL4030_REG_EAR_CTL, 4, 3, 0, output_ear_tvl),
1215
1216 /* Common capture gain controls */
1217 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1218 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1219 0, 0x1f, 0, digital_capture_tlv),
1220 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1221 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1222 0, 0x1f, 0, digital_capture_tlv),
1223
1224 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1225 0, 3, 5, 0, input_gain_tlv),
1226
1227 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1228
1229 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1230
1231 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1232 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1233
1234 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1235 };
1236
1237 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1238 /* Left channel inputs */
1239 SND_SOC_DAPM_INPUT("MAINMIC"),
1240 SND_SOC_DAPM_INPUT("HSMIC"),
1241 SND_SOC_DAPM_INPUT("AUXL"),
1242 SND_SOC_DAPM_INPUT("CARKITMIC"),
1243 /* Right channel inputs */
1244 SND_SOC_DAPM_INPUT("SUBMIC"),
1245 SND_SOC_DAPM_INPUT("AUXR"),
1246 /* Digital microphones (Stereo) */
1247 SND_SOC_DAPM_INPUT("DIGIMIC0"),
1248 SND_SOC_DAPM_INPUT("DIGIMIC1"),
1249
1250 /* Outputs */
1251 SND_SOC_DAPM_OUTPUT("EARPIECE"),
1252 SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1253 SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1254 SND_SOC_DAPM_OUTPUT("HSOL"),
1255 SND_SOC_DAPM_OUTPUT("HSOR"),
1256 SND_SOC_DAPM_OUTPUT("CARKITL"),
1257 SND_SOC_DAPM_OUTPUT("CARKITR"),
1258 SND_SOC_DAPM_OUTPUT("HFL"),
1259 SND_SOC_DAPM_OUTPUT("HFR"),
1260 SND_SOC_DAPM_OUTPUT("VIBRA"),
1261
1262 /* AIF and APLL clocks for running DAIs (including loopback) */
1263 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1264 SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1265 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1266
1267 /* DACs */
1268 SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback",
1269 SND_SOC_NOPM, 0, 0),
1270 SND_SOC_DAPM_DAC("DAC Left1", "Left Front HiFi Playback",
1271 SND_SOC_NOPM, 0, 0),
1272 SND_SOC_DAPM_DAC("DAC Right2", "Right Rear HiFi Playback",
1273 SND_SOC_NOPM, 0, 0),
1274 SND_SOC_DAPM_DAC("DAC Left2", "Left Rear HiFi Playback",
1275 SND_SOC_NOPM, 0, 0),
1276 SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback",
1277 SND_SOC_NOPM, 0, 0),
1278
1279 /* Analog bypasses */
1280 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1281 &twl4030_dapm_abypassr1_control),
1282 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1283 &twl4030_dapm_abypassl1_control),
1284 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1285 &twl4030_dapm_abypassr2_control),
1286 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1287 &twl4030_dapm_abypassl2_control),
1288 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1289 &twl4030_dapm_abypassv_control),
1290
1291 /* Master analog loopback switch */
1292 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1293 NULL, 0),
1294
1295 /* Digital bypasses */
1296 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1297 &twl4030_dapm_dbypassl_control),
1298 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1299 &twl4030_dapm_dbypassr_control),
1300 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1301 &twl4030_dapm_dbypassv_control),
1302
1303 /* Digital mixers, power control for the physical DACs */
1304 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1305 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1306 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1307 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1308 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1309 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1310 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1311 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1312 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1313 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1314
1315 /* Analog mixers, power control for the physical PGAs */
1316 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1317 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1318 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1319 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1320 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1321 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1322 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1323 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1324 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1325 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1326
1327 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1328 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1329
1330 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1331 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1332
1333 /* Output MIXER controls */
1334 /* Earpiece */
1335 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1336 &twl4030_dapm_earpiece_controls[0],
1337 ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1338 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1339 0, 0, NULL, 0, earpiecepga_event,
1340 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1341 /* PreDrivL/R */
1342 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1343 &twl4030_dapm_predrivel_controls[0],
1344 ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1345 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1346 0, 0, NULL, 0, predrivelpga_event,
1347 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1348 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1349 &twl4030_dapm_predriver_controls[0],
1350 ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1351 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1352 0, 0, NULL, 0, predriverpga_event,
1353 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1354 /* HeadsetL/R */
1355 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1356 &twl4030_dapm_hsol_controls[0],
1357 ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1358 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1359 0, 0, NULL, 0, headsetlpga_event,
1360 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1361 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1362 &twl4030_dapm_hsor_controls[0],
1363 ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1364 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1365 0, 0, NULL, 0, headsetrpga_event,
1366 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1367 /* CarkitL/R */
1368 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1369 &twl4030_dapm_carkitl_controls[0],
1370 ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1371 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1372 0, 0, NULL, 0, carkitlpga_event,
1373 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1374 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1375 &twl4030_dapm_carkitr_controls[0],
1376 ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1377 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1378 0, 0, NULL, 0, carkitrpga_event,
1379 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1380
1381 /* Output MUX controls */
1382 /* HandsfreeL/R */
1383 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1384 &twl4030_dapm_handsfreel_control),
1385 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1386 &twl4030_dapm_handsfreelmute_control),
1387 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1388 0, 0, NULL, 0, handsfreelpga_event,
1389 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1390 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1391 &twl4030_dapm_handsfreer_control),
1392 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1393 &twl4030_dapm_handsfreermute_control),
1394 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1395 0, 0, NULL, 0, handsfreerpga_event,
1396 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1397 /* Vibra */
1398 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1399 &twl4030_dapm_vibra_control, vibramux_event,
1400 SND_SOC_DAPM_PRE_PMU),
1401 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1402 &twl4030_dapm_vibrapath_control),
1403
1404 /* Introducing four virtual ADC, since TWL4030 have four channel for
1405 capture */
1406 SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture",
1407 SND_SOC_NOPM, 0, 0),
1408 SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture",
1409 SND_SOC_NOPM, 0, 0),
1410 SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture",
1411 SND_SOC_NOPM, 0, 0),
1412 SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture",
1413 SND_SOC_NOPM, 0, 0),
1414
1415 /* Analog/Digital mic path selection.
1416 TX1 Left/Right: either analog Left/Right or Digimic0
1417 TX2 Left/Right: either analog Left/Right or Digimic1 */
1418 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1419 &twl4030_dapm_micpathtx1_control),
1420 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1421 &twl4030_dapm_micpathtx2_control),
1422
1423 /* Analog input mixers for the capture amplifiers */
1424 SND_SOC_DAPM_MIXER("Analog Left",
1425 TWL4030_REG_ANAMICL, 4, 0,
1426 &twl4030_dapm_analoglmic_controls[0],
1427 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1428 SND_SOC_DAPM_MIXER("Analog Right",
1429 TWL4030_REG_ANAMICR, 4, 0,
1430 &twl4030_dapm_analogrmic_controls[0],
1431 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1432
1433 SND_SOC_DAPM_PGA("ADC Physical Left",
1434 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1435 SND_SOC_DAPM_PGA("ADC Physical Right",
1436 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1437
1438 SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1439 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1440 digimic_event, SND_SOC_DAPM_POST_PMU),
1441 SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1442 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1443 digimic_event, SND_SOC_DAPM_POST_PMU),
1444
1445 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1446 NULL, 0),
1447 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1448 NULL, 0),
1449
1450 SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0),
1451 SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0),
1452 SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0),
1453
1454 };
1455
1456 static const struct snd_soc_dapm_route intercon[] = {
1457 {"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1458 {"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1459 {"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1460 {"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1461 {"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1462
1463 /* Supply for the digital part (APLL) */
1464 {"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1465
1466 {"DAC Left1", NULL, "AIF Enable"},
1467 {"DAC Right1", NULL, "AIF Enable"},
1468 {"DAC Left2", NULL, "AIF Enable"},
1469 {"DAC Right1", NULL, "AIF Enable"},
1470
1471 {"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1472 {"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1473
1474 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1475 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1476 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1477 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1478 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1479
1480 /* Internal playback routings */
1481 /* Earpiece */
1482 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1483 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1484 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1485 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1486 {"Earpiece PGA", NULL, "Earpiece Mixer"},
1487 /* PreDrivL */
1488 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1489 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1490 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1491 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1492 {"PredriveL PGA", NULL, "PredriveL Mixer"},
1493 /* PreDrivR */
1494 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1495 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1496 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1497 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1498 {"PredriveR PGA", NULL, "PredriveR Mixer"},
1499 /* HeadsetL */
1500 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1501 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1502 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1503 {"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1504 /* HeadsetR */
1505 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1506 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1507 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1508 {"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1509 /* CarkitL */
1510 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1511 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1512 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1513 {"CarkitL PGA", NULL, "CarkitL Mixer"},
1514 /* CarkitR */
1515 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1516 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1517 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1518 {"CarkitR PGA", NULL, "CarkitR Mixer"},
1519 /* HandsfreeL */
1520 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1521 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1522 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1523 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1524 {"HandsfreeL", "Switch", "HandsfreeL Mux"},
1525 {"HandsfreeL PGA", NULL, "HandsfreeL"},
1526 /* HandsfreeR */
1527 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1528 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1529 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1530 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1531 {"HandsfreeR", "Switch", "HandsfreeR Mux"},
1532 {"HandsfreeR PGA", NULL, "HandsfreeR"},
1533 /* Vibra */
1534 {"Vibra Mux", "AudioL1", "DAC Left1"},
1535 {"Vibra Mux", "AudioR1", "DAC Right1"},
1536 {"Vibra Mux", "AudioL2", "DAC Left2"},
1537 {"Vibra Mux", "AudioR2", "DAC Right2"},
1538
1539 /* outputs */
1540 /* Must be always connected (for AIF and APLL) */
1541 {"Virtual HiFi OUT", NULL, "DAC Left1"},
1542 {"Virtual HiFi OUT", NULL, "DAC Right1"},
1543 {"Virtual HiFi OUT", NULL, "DAC Left2"},
1544 {"Virtual HiFi OUT", NULL, "DAC Right2"},
1545 /* Must be always connected (for APLL) */
1546 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1547 /* Physical outputs */
1548 {"EARPIECE", NULL, "Earpiece PGA"},
1549 {"PREDRIVEL", NULL, "PredriveL PGA"},
1550 {"PREDRIVER", NULL, "PredriveR PGA"},
1551 {"HSOL", NULL, "HeadsetL PGA"},
1552 {"HSOR", NULL, "HeadsetR PGA"},
1553 {"CARKITL", NULL, "CarkitL PGA"},
1554 {"CARKITR", NULL, "CarkitR PGA"},
1555 {"HFL", NULL, "HandsfreeL PGA"},
1556 {"HFR", NULL, "HandsfreeR PGA"},
1557 {"Vibra Route", "Audio", "Vibra Mux"},
1558 {"VIBRA", NULL, "Vibra Route"},
1559
1560 /* Capture path */
1561 /* Must be always connected (for AIF and APLL) */
1562 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1563 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1564 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1565 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1566 /* Physical inputs */
1567 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1568 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1569 {"Analog Left", "AUXL Capture Switch", "AUXL"},
1570 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1571
1572 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1573 {"Analog Right", "AUXR Capture Switch", "AUXR"},
1574
1575 {"ADC Physical Left", NULL, "Analog Left"},
1576 {"ADC Physical Right", NULL, "Analog Right"},
1577
1578 {"Digimic0 Enable", NULL, "DIGIMIC0"},
1579 {"Digimic1 Enable", NULL, "DIGIMIC1"},
1580
1581 {"DIGIMIC0", NULL, "micbias1 select"},
1582 {"DIGIMIC1", NULL, "micbias2 select"},
1583
1584 /* TX1 Left capture path */
1585 {"TX1 Capture Route", "Analog", "ADC Physical Left"},
1586 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1587 /* TX1 Right capture path */
1588 {"TX1 Capture Route", "Analog", "ADC Physical Right"},
1589 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1590 /* TX2 Left capture path */
1591 {"TX2 Capture Route", "Analog", "ADC Physical Left"},
1592 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1593 /* TX2 Right capture path */
1594 {"TX2 Capture Route", "Analog", "ADC Physical Right"},
1595 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1596
1597 {"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1598 {"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1599 {"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1600 {"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1601
1602 {"ADC Virtual Left1", NULL, "AIF Enable"},
1603 {"ADC Virtual Right1", NULL, "AIF Enable"},
1604 {"ADC Virtual Left2", NULL, "AIF Enable"},
1605 {"ADC Virtual Right2", NULL, "AIF Enable"},
1606
1607 /* Analog bypass routes */
1608 {"Right1 Analog Loopback", "Switch", "Analog Right"},
1609 {"Left1 Analog Loopback", "Switch", "Analog Left"},
1610 {"Right2 Analog Loopback", "Switch", "Analog Right"},
1611 {"Left2 Analog Loopback", "Switch", "Analog Left"},
1612 {"Voice Analog Loopback", "Switch", "Analog Left"},
1613
1614 /* Supply for the Analog loopbacks */
1615 {"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1616 {"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1617 {"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1618 {"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1619 {"Voice Analog Loopback", NULL, "FM Loop Enable"},
1620
1621 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1622 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1623 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1624 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1625 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1626
1627 /* Digital bypass routes */
1628 {"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1629 {"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1630 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1631
1632 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1633 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1634 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1635
1636 };
1637
1638 static int twl4030_add_widgets(struct snd_soc_codec *codec)
1639 {
1640 struct snd_soc_dapm_context *dapm = &codec->dapm;
1641
1642 snd_soc_dapm_new_controls(dapm, twl4030_dapm_widgets,
1643 ARRAY_SIZE(twl4030_dapm_widgets));
1644 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1645
1646 return 0;
1647 }
1648
1649 static int twl4030_set_bias_level(struct snd_soc_codec *codec,
1650 enum snd_soc_bias_level level)
1651 {
1652 switch (level) {
1653 case SND_SOC_BIAS_ON:
1654 break;
1655 case SND_SOC_BIAS_PREPARE:
1656 break;
1657 case SND_SOC_BIAS_STANDBY:
1658 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1659 twl4030_codec_enable(codec, 1);
1660 break;
1661 case SND_SOC_BIAS_OFF:
1662 twl4030_codec_enable(codec, 0);
1663 break;
1664 }
1665 codec->dapm.bias_level = level;
1666
1667 return 0;
1668 }
1669
1670 static void twl4030_constraints(struct twl4030_priv *twl4030,
1671 struct snd_pcm_substream *mst_substream)
1672 {
1673 struct snd_pcm_substream *slv_substream;
1674
1675 /* Pick the stream, which need to be constrained */
1676 if (mst_substream == twl4030->master_substream)
1677 slv_substream = twl4030->slave_substream;
1678 else if (mst_substream == twl4030->slave_substream)
1679 slv_substream = twl4030->master_substream;
1680 else /* This should not happen.. */
1681 return;
1682
1683 /* Set the constraints according to the already configured stream */
1684 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1685 SNDRV_PCM_HW_PARAM_RATE,
1686 twl4030->rate,
1687 twl4030->rate);
1688
1689 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1690 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
1691 twl4030->sample_bits,
1692 twl4030->sample_bits);
1693
1694 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1695 SNDRV_PCM_HW_PARAM_CHANNELS,
1696 twl4030->channels,
1697 twl4030->channels);
1698 }
1699
1700 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1701 * capture has to be enabled/disabled. */
1702 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction,
1703 int enable)
1704 {
1705 u8 reg, mask;
1706
1707 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION);
1708
1709 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1710 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1711 else
1712 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1713
1714 if (enable)
1715 reg |= mask;
1716 else
1717 reg &= ~mask;
1718
1719 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1720 }
1721
1722 static int twl4030_startup(struct snd_pcm_substream *substream,
1723 struct snd_soc_dai *dai)
1724 {
1725 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1726 struct snd_soc_codec *codec = rtd->codec;
1727 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1728
1729 snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
1730 if (twl4030->master_substream) {
1731 twl4030->slave_substream = substream;
1732 /* The DAI has one configuration for playback and capture, so
1733 * if the DAI has been already configured then constrain this
1734 * substream to match it. */
1735 if (twl4030->configured)
1736 twl4030_constraints(twl4030, twl4030->master_substream);
1737 } else {
1738 if (!(twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) &
1739 TWL4030_OPTION_1)) {
1740 /* In option2 4 channel is not supported, set the
1741 * constraint for the first stream for channels, the
1742 * second stream will 'inherit' this cosntraint */
1743 snd_pcm_hw_constraint_minmax(substream->runtime,
1744 SNDRV_PCM_HW_PARAM_CHANNELS,
1745 2, 2);
1746 }
1747 twl4030->master_substream = substream;
1748 }
1749
1750 return 0;
1751 }
1752
1753 static void twl4030_shutdown(struct snd_pcm_substream *substream,
1754 struct snd_soc_dai *dai)
1755 {
1756 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1757 struct snd_soc_codec *codec = rtd->codec;
1758 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1759
1760 if (twl4030->master_substream == substream)
1761 twl4030->master_substream = twl4030->slave_substream;
1762
1763 twl4030->slave_substream = NULL;
1764
1765 /* If all streams are closed, or the remaining stream has not yet
1766 * been configured than set the DAI as not configured. */
1767 if (!twl4030->master_substream)
1768 twl4030->configured = 0;
1769 else if (!twl4030->master_substream->runtime->channels)
1770 twl4030->configured = 0;
1771
1772 /* If the closing substream had 4 channel, do the necessary cleanup */
1773 if (substream->runtime->channels == 4)
1774 twl4030_tdm_enable(codec, substream->stream, 0);
1775 }
1776
1777 static int twl4030_hw_params(struct snd_pcm_substream *substream,
1778 struct snd_pcm_hw_params *params,
1779 struct snd_soc_dai *dai)
1780 {
1781 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1782 struct snd_soc_codec *codec = rtd->codec;
1783 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1784 u8 mode, old_mode, format, old_format;
1785
1786 /* If the substream has 4 channel, do the necessary setup */
1787 if (params_channels(params) == 4) {
1788 format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1789 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE);
1790
1791 /* Safety check: are we in the correct operating mode and
1792 * the interface is in TDM mode? */
1793 if ((mode & TWL4030_OPTION_1) &&
1794 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1795 twl4030_tdm_enable(codec, substream->stream, 1);
1796 else
1797 return -EINVAL;
1798 }
1799
1800 if (twl4030->configured)
1801 /* Ignoring hw_params for already configured DAI */
1802 return 0;
1803
1804 /* bit rate */
1805 old_mode = twl4030_read_reg_cache(codec,
1806 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1807 mode = old_mode & ~TWL4030_APLL_RATE;
1808
1809 switch (params_rate(params)) {
1810 case 8000:
1811 mode |= TWL4030_APLL_RATE_8000;
1812 break;
1813 case 11025:
1814 mode |= TWL4030_APLL_RATE_11025;
1815 break;
1816 case 12000:
1817 mode |= TWL4030_APLL_RATE_12000;
1818 break;
1819 case 16000:
1820 mode |= TWL4030_APLL_RATE_16000;
1821 break;
1822 case 22050:
1823 mode |= TWL4030_APLL_RATE_22050;
1824 break;
1825 case 24000:
1826 mode |= TWL4030_APLL_RATE_24000;
1827 break;
1828 case 32000:
1829 mode |= TWL4030_APLL_RATE_32000;
1830 break;
1831 case 44100:
1832 mode |= TWL4030_APLL_RATE_44100;
1833 break;
1834 case 48000:
1835 mode |= TWL4030_APLL_RATE_48000;
1836 break;
1837 case 96000:
1838 mode |= TWL4030_APLL_RATE_96000;
1839 break;
1840 default:
1841 printk(KERN_ERR "TWL4030 hw params: unknown rate %d\n",
1842 params_rate(params));
1843 return -EINVAL;
1844 }
1845
1846 /* sample size */
1847 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1848 format = old_format;
1849 format &= ~TWL4030_DATA_WIDTH;
1850 switch (params_format(params)) {
1851 case SNDRV_PCM_FORMAT_S16_LE:
1852 format |= TWL4030_DATA_WIDTH_16S_16W;
1853 break;
1854 case SNDRV_PCM_FORMAT_S32_LE:
1855 format |= TWL4030_DATA_WIDTH_32S_24W;
1856 break;
1857 default:
1858 printk(KERN_ERR "TWL4030 hw params: unknown format %d\n",
1859 params_format(params));
1860 return -EINVAL;
1861 }
1862
1863 if (format != old_format || mode != old_mode) {
1864 if (twl4030->codec_powered) {
1865 /*
1866 * If the codec is powered, than we need to toggle the
1867 * codec power.
1868 */
1869 twl4030_codec_enable(codec, 0);
1870 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1871 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1872 twl4030_codec_enable(codec, 1);
1873 } else {
1874 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1875 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1876 }
1877 }
1878
1879 /* Store the important parameters for the DAI configuration and set
1880 * the DAI as configured */
1881 twl4030->configured = 1;
1882 twl4030->rate = params_rate(params);
1883 twl4030->sample_bits = hw_param_interval(params,
1884 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1885 twl4030->channels = params_channels(params);
1886
1887 /* If both playback and capture streams are open, and one of them
1888 * is setting the hw parameters right now (since we are here), set
1889 * constraints to the other stream to match the current one. */
1890 if (twl4030->slave_substream)
1891 twl4030_constraints(twl4030, substream);
1892
1893 return 0;
1894 }
1895
1896 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1897 int clk_id, unsigned int freq, int dir)
1898 {
1899 struct snd_soc_codec *codec = codec_dai->codec;
1900 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1901
1902 switch (freq) {
1903 case 19200000:
1904 case 26000000:
1905 case 38400000:
1906 break;
1907 default:
1908 dev_err(codec->dev, "Unsupported APLL mclk: %u\n", freq);
1909 return -EINVAL;
1910 }
1911
1912 if ((freq / 1000) != twl4030->sysclk) {
1913 dev_err(codec->dev,
1914 "Mismatch in APLL mclk: %u (configured: %u)\n",
1915 freq, twl4030->sysclk * 1000);
1916 return -EINVAL;
1917 }
1918
1919 return 0;
1920 }
1921
1922 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
1923 unsigned int fmt)
1924 {
1925 struct snd_soc_codec *codec = codec_dai->codec;
1926 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1927 u8 old_format, format;
1928
1929 /* get format */
1930 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1931 format = old_format;
1932
1933 /* set master/slave audio interface */
1934 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1935 case SND_SOC_DAIFMT_CBM_CFM:
1936 format &= ~(TWL4030_AIF_SLAVE_EN);
1937 format &= ~(TWL4030_CLK256FS_EN);
1938 break;
1939 case SND_SOC_DAIFMT_CBS_CFS:
1940 format |= TWL4030_AIF_SLAVE_EN;
1941 format |= TWL4030_CLK256FS_EN;
1942 break;
1943 default:
1944 return -EINVAL;
1945 }
1946
1947 /* interface format */
1948 format &= ~TWL4030_AIF_FORMAT;
1949 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1950 case SND_SOC_DAIFMT_I2S:
1951 format |= TWL4030_AIF_FORMAT_CODEC;
1952 break;
1953 case SND_SOC_DAIFMT_DSP_A:
1954 format |= TWL4030_AIF_FORMAT_TDM;
1955 break;
1956 default:
1957 return -EINVAL;
1958 }
1959
1960 if (format != old_format) {
1961 if (twl4030->codec_powered) {
1962 /*
1963 * If the codec is powered, than we need to toggle the
1964 * codec power.
1965 */
1966 twl4030_codec_enable(codec, 0);
1967 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1968 twl4030_codec_enable(codec, 1);
1969 } else {
1970 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1971 }
1972 }
1973
1974 return 0;
1975 }
1976
1977 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1978 {
1979 struct snd_soc_codec *codec = dai->codec;
1980 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1981
1982 if (tristate)
1983 reg |= TWL4030_AIF_TRI_EN;
1984 else
1985 reg &= ~TWL4030_AIF_TRI_EN;
1986
1987 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
1988 }
1989
1990 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1991 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1992 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
1993 int enable)
1994 {
1995 u8 reg, mask;
1996
1997 reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION);
1998
1999 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
2000 mask = TWL4030_ARXL1_VRX_EN;
2001 else
2002 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
2003
2004 if (enable)
2005 reg |= mask;
2006 else
2007 reg &= ~mask;
2008
2009 twl4030_write(codec, TWL4030_REG_OPTION, reg);
2010 }
2011
2012 static int twl4030_voice_startup(struct snd_pcm_substream *substream,
2013 struct snd_soc_dai *dai)
2014 {
2015 struct snd_soc_pcm_runtime *rtd = substream->private_data;
2016 struct snd_soc_codec *codec = rtd->codec;
2017 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2018 u8 mode;
2019
2020 /* If the system master clock is not 26MHz, the voice PCM interface is
2021 * not available.
2022 */
2023 if (twl4030->sysclk != 26000) {
2024 dev_err(codec->dev, "The board is configured for %u Hz, while"
2025 "the Voice interface needs 26MHz APLL mclk\n",
2026 twl4030->sysclk * 1000);
2027 return -EINVAL;
2028 }
2029
2030 /* If the codec mode is not option2, the voice PCM interface is not
2031 * available.
2032 */
2033 mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE)
2034 & TWL4030_OPT_MODE;
2035
2036 if (mode != TWL4030_OPTION_2) {
2037 printk(KERN_ERR "TWL4030 voice startup: "
2038 "the codec mode is not option2\n");
2039 return -EINVAL;
2040 }
2041
2042 return 0;
2043 }
2044
2045 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
2046 struct snd_soc_dai *dai)
2047 {
2048 struct snd_soc_pcm_runtime *rtd = substream->private_data;
2049 struct snd_soc_codec *codec = rtd->codec;
2050
2051 /* Enable voice digital filters */
2052 twl4030_voice_enable(codec, substream->stream, 0);
2053 }
2054
2055 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
2056 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
2057 {
2058 struct snd_soc_pcm_runtime *rtd = substream->private_data;
2059 struct snd_soc_codec *codec = rtd->codec;
2060 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2061 u8 old_mode, mode;
2062
2063 /* Enable voice digital filters */
2064 twl4030_voice_enable(codec, substream->stream, 1);
2065
2066 /* bit rate */
2067 old_mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE)
2068 & ~(TWL4030_CODECPDZ);
2069 mode = old_mode;
2070
2071 switch (params_rate(params)) {
2072 case 8000:
2073 mode &= ~(TWL4030_SEL_16K);
2074 break;
2075 case 16000:
2076 mode |= TWL4030_SEL_16K;
2077 break;
2078 default:
2079 printk(KERN_ERR "TWL4030 voice hw params: unknown rate %d\n",
2080 params_rate(params));
2081 return -EINVAL;
2082 }
2083
2084 if (mode != old_mode) {
2085 if (twl4030->codec_powered) {
2086 /*
2087 * If the codec is powered, than we need to toggle the
2088 * codec power.
2089 */
2090 twl4030_codec_enable(codec, 0);
2091 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2092 twl4030_codec_enable(codec, 1);
2093 } else {
2094 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2095 }
2096 }
2097
2098 return 0;
2099 }
2100
2101 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2102 int clk_id, unsigned int freq, int dir)
2103 {
2104 struct snd_soc_codec *codec = codec_dai->codec;
2105 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2106
2107 if (freq != 26000000) {
2108 dev_err(codec->dev, "Unsupported APLL mclk: %u, the Voice"
2109 "interface needs 26MHz APLL mclk\n", freq);
2110 return -EINVAL;
2111 }
2112 if ((freq / 1000) != twl4030->sysclk) {
2113 dev_err(codec->dev,
2114 "Mismatch in APLL mclk: %u (configured: %u)\n",
2115 freq, twl4030->sysclk * 1000);
2116 return -EINVAL;
2117 }
2118 return 0;
2119 }
2120
2121 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2122 unsigned int fmt)
2123 {
2124 struct snd_soc_codec *codec = codec_dai->codec;
2125 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2126 u8 old_format, format;
2127
2128 /* get format */
2129 old_format = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF);
2130 format = old_format;
2131
2132 /* set master/slave audio interface */
2133 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2134 case SND_SOC_DAIFMT_CBM_CFM:
2135 format &= ~(TWL4030_VIF_SLAVE_EN);
2136 break;
2137 case SND_SOC_DAIFMT_CBS_CFS:
2138 format |= TWL4030_VIF_SLAVE_EN;
2139 break;
2140 default:
2141 return -EINVAL;
2142 }
2143
2144 /* clock inversion */
2145 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2146 case SND_SOC_DAIFMT_IB_NF:
2147 format &= ~(TWL4030_VIF_FORMAT);
2148 break;
2149 case SND_SOC_DAIFMT_NB_IF:
2150 format |= TWL4030_VIF_FORMAT;
2151 break;
2152 default:
2153 return -EINVAL;
2154 }
2155
2156 if (format != old_format) {
2157 if (twl4030->codec_powered) {
2158 /*
2159 * If the codec is powered, than we need to toggle the
2160 * codec power.
2161 */
2162 twl4030_codec_enable(codec, 0);
2163 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2164 twl4030_codec_enable(codec, 1);
2165 } else {
2166 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2167 }
2168 }
2169
2170 return 0;
2171 }
2172
2173 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2174 {
2175 struct snd_soc_codec *codec = dai->codec;
2176 u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF);
2177
2178 if (tristate)
2179 reg |= TWL4030_VIF_TRI_EN;
2180 else
2181 reg &= ~TWL4030_VIF_TRI_EN;
2182
2183 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
2184 }
2185
2186 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
2187 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2188
2189 static struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2190 .startup = twl4030_startup,
2191 .shutdown = twl4030_shutdown,
2192 .hw_params = twl4030_hw_params,
2193 .set_sysclk = twl4030_set_dai_sysclk,
2194 .set_fmt = twl4030_set_dai_fmt,
2195 .set_tristate = twl4030_set_tristate,
2196 };
2197
2198 static struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2199 .startup = twl4030_voice_startup,
2200 .shutdown = twl4030_voice_shutdown,
2201 .hw_params = twl4030_voice_hw_params,
2202 .set_sysclk = twl4030_voice_set_dai_sysclk,
2203 .set_fmt = twl4030_voice_set_dai_fmt,
2204 .set_tristate = twl4030_voice_set_tristate,
2205 };
2206
2207 static struct snd_soc_dai_driver twl4030_dai[] = {
2208 {
2209 .name = "twl4030-hifi",
2210 .playback = {
2211 .stream_name = "HiFi Playback",
2212 .channels_min = 2,
2213 .channels_max = 4,
2214 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2215 .formats = TWL4030_FORMATS,},
2216 .capture = {
2217 .stream_name = "Capture",
2218 .channels_min = 2,
2219 .channels_max = 4,
2220 .rates = TWL4030_RATES,
2221 .formats = TWL4030_FORMATS,},
2222 .ops = &twl4030_dai_hifi_ops,
2223 },
2224 {
2225 .name = "twl4030-voice",
2226 .playback = {
2227 .stream_name = "Voice Playback",
2228 .channels_min = 1,
2229 .channels_max = 1,
2230 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2231 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2232 .capture = {
2233 .stream_name = "Capture",
2234 .channels_min = 1,
2235 .channels_max = 2,
2236 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2237 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2238 .ops = &twl4030_dai_voice_ops,
2239 },
2240 };
2241
2242 static int twl4030_soc_suspend(struct snd_soc_codec *codec, pm_message_t state)
2243 {
2244 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2245 return 0;
2246 }
2247
2248 static int twl4030_soc_resume(struct snd_soc_codec *codec)
2249 {
2250 twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2251 return 0;
2252 }
2253
2254 static int twl4030_soc_probe(struct snd_soc_codec *codec)
2255 {
2256 struct twl4030_priv *twl4030;
2257
2258 twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL);
2259 if (twl4030 == NULL) {
2260 printk("Can not allocate memroy\n");
2261 return -ENOMEM;
2262 }
2263 snd_soc_codec_set_drvdata(codec, twl4030);
2264 /* Set the defaults, and power up the codec */
2265 twl4030->sysclk = twl4030_codec_get_mclk() / 1000;
2266 codec->dapm.idle_bias_off = 1;
2267
2268 twl4030_init_chip(codec);
2269
2270 snd_soc_add_controls(codec, twl4030_snd_controls,
2271 ARRAY_SIZE(twl4030_snd_controls));
2272 twl4030_add_widgets(codec);
2273 return 0;
2274 }
2275
2276 static int twl4030_soc_remove(struct snd_soc_codec *codec)
2277 {
2278 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2279
2280 /* Reset registers to their chip default before leaving */
2281 twl4030_reset_registers(codec);
2282 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2283 kfree(twl4030);
2284 return 0;
2285 }
2286
2287 static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
2288 .probe = twl4030_soc_probe,
2289 .remove = twl4030_soc_remove,
2290 .suspend = twl4030_soc_suspend,
2291 .resume = twl4030_soc_resume,
2292 .read = twl4030_read_reg_cache,
2293 .write = twl4030_write,
2294 .set_bias_level = twl4030_set_bias_level,
2295 .reg_cache_size = sizeof(twl4030_reg),
2296 .reg_word_size = sizeof(u8),
2297 .reg_cache_default = twl4030_reg,
2298 };
2299
2300 static int __devinit twl4030_codec_probe(struct platform_device *pdev)
2301 {
2302 struct twl4030_codec_audio_data *pdata = mfd_get_data(pdev);
2303
2304 if (!pdata) {
2305 dev_err(&pdev->dev, "platform_data is missing\n");
2306 return -EINVAL;
2307 }
2308
2309 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
2310 twl4030_dai, ARRAY_SIZE(twl4030_dai));
2311 }
2312
2313 static int __devexit twl4030_codec_remove(struct platform_device *pdev)
2314 {
2315 snd_soc_unregister_codec(&pdev->dev);
2316 return 0;
2317 }
2318
2319 MODULE_ALIAS("platform:twl4030-codec");
2320
2321 static struct platform_driver twl4030_codec_driver = {
2322 .probe = twl4030_codec_probe,
2323 .remove = __devexit_p(twl4030_codec_remove),
2324 .driver = {
2325 .name = "twl4030-codec",
2326 .owner = THIS_MODULE,
2327 },
2328 };
2329
2330 static int __init twl4030_modinit(void)
2331 {
2332 return platform_driver_register(&twl4030_codec_driver);
2333 }
2334 module_init(twl4030_modinit);
2335
2336 static void __exit twl4030_exit(void)
2337 {
2338 platform_driver_unregister(&twl4030_codec_driver);
2339 }
2340 module_exit(twl4030_exit);
2341
2342 MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2343 MODULE_AUTHOR("Steve Sakoman");
2344 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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