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