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8ecbabd9 MLC |
1 | /* |
2 | * ALSA SoC TWL6040 codec driver | |
3 | * | |
4 | * Author: Misael Lopez Cruz <x0052729@ti.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/gpio.h> | |
29 | #include <linux/platform_device.h> | |
68b40cc4 | 30 | #include <linux/slab.h> |
8ecbabd9 MLC |
31 | #include <linux/i2c/twl.h> |
32 | ||
33 | #include <sound/core.h> | |
34 | #include <sound/pcm.h> | |
35 | #include <sound/pcm_params.h> | |
36 | #include <sound/soc.h> | |
8ecbabd9 MLC |
37 | #include <sound/initval.h> |
38 | #include <sound/tlv.h> | |
39 | ||
40 | #include "twl6040.h" | |
41 | ||
42 | #define TWL6040_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
43 | #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) | |
44 | ||
45 | /* codec private data */ | |
46 | struct twl6040_data { | |
8ecbabd9 MLC |
47 | int audpwron; |
48 | int naudint; | |
49 | int codec_powered; | |
50 | int pll; | |
51 | int non_lp; | |
52 | unsigned int sysclk; | |
53 | struct snd_pcm_hw_constraint_list *sysclk_constraints; | |
54 | struct completion ready; | |
55 | }; | |
56 | ||
57 | /* | |
58 | * twl6040 register cache & default register settings | |
59 | */ | |
60 | static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { | |
61 | 0x00, /* not used 0x00 */ | |
62 | 0x4B, /* TWL6040_ASICID (ro) 0x01 */ | |
63 | 0x00, /* TWL6040_ASICREV (ro) 0x02 */ | |
64 | 0x00, /* TWL6040_INTID 0x03 */ | |
65 | 0x00, /* TWL6040_INTMR 0x04 */ | |
66 | 0x00, /* TWL6040_NCPCTRL 0x05 */ | |
67 | 0x00, /* TWL6040_LDOCTL 0x06 */ | |
68 | 0x60, /* TWL6040_HPPLLCTL 0x07 */ | |
69 | 0x00, /* TWL6040_LPPLLCTL 0x08 */ | |
70 | 0x4A, /* TWL6040_LPPLLDIV 0x09 */ | |
71 | 0x00, /* TWL6040_AMICBCTL 0x0A */ | |
72 | 0x00, /* TWL6040_DMICBCTL 0x0B */ | |
73 | 0x18, /* TWL6040_MICLCTL 0x0C - No input selected on Left Mic */ | |
74 | 0x18, /* TWL6040_MICRCTL 0x0D - No input selected on Right Mic */ | |
75 | 0x00, /* TWL6040_MICGAIN 0x0E */ | |
76 | 0x1B, /* TWL6040_LINEGAIN 0x0F */ | |
77 | 0x00, /* TWL6040_HSLCTL 0x10 */ | |
78 | 0x00, /* TWL6040_HSRCTL 0x11 */ | |
79 | 0x00, /* TWL6040_HSGAIN 0x12 */ | |
80 | 0x00, /* TWL6040_EARCTL 0x13 */ | |
81 | 0x00, /* TWL6040_HFLCTL 0x14 */ | |
82 | 0x00, /* TWL6040_HFLGAIN 0x15 */ | |
83 | 0x00, /* TWL6040_HFRCTL 0x16 */ | |
84 | 0x00, /* TWL6040_HFRGAIN 0x17 */ | |
85 | 0x00, /* TWL6040_VIBCTLL 0x18 */ | |
86 | 0x00, /* TWL6040_VIBDATL 0x19 */ | |
87 | 0x00, /* TWL6040_VIBCTLR 0x1A */ | |
88 | 0x00, /* TWL6040_VIBDATR 0x1B */ | |
89 | 0x00, /* TWL6040_HKCTL1 0x1C */ | |
90 | 0x00, /* TWL6040_HKCTL2 0x1D */ | |
91 | 0x00, /* TWL6040_GPOCTL 0x1E */ | |
92 | 0x00, /* TWL6040_ALB 0x1F */ | |
93 | 0x00, /* TWL6040_DLB 0x20 */ | |
94 | 0x00, /* not used 0x21 */ | |
95 | 0x00, /* not used 0x22 */ | |
96 | 0x00, /* not used 0x23 */ | |
97 | 0x00, /* not used 0x24 */ | |
98 | 0x00, /* not used 0x25 */ | |
99 | 0x00, /* not used 0x26 */ | |
100 | 0x00, /* not used 0x27 */ | |
101 | 0x00, /* TWL6040_TRIM1 0x28 */ | |
102 | 0x00, /* TWL6040_TRIM2 0x29 */ | |
103 | 0x00, /* TWL6040_TRIM3 0x2A */ | |
104 | 0x00, /* TWL6040_HSOTRIM 0x2B */ | |
105 | 0x00, /* TWL6040_HFOTRIM 0x2C */ | |
106 | 0x09, /* TWL6040_ACCCTL 0x2D */ | |
107 | 0x00, /* TWL6040_STATUS (ro) 0x2E */ | |
108 | }; | |
109 | ||
110 | /* | |
111 | * twl6040 vio/gnd registers: | |
112 | * registers under vio/gnd supply can be accessed | |
113 | * before the power-up sequence, after NRESPWRON goes high | |
114 | */ | |
115 | static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = { | |
116 | TWL6040_REG_ASICID, | |
117 | TWL6040_REG_ASICREV, | |
118 | TWL6040_REG_INTID, | |
119 | TWL6040_REG_INTMR, | |
120 | TWL6040_REG_NCPCTL, | |
121 | TWL6040_REG_LDOCTL, | |
122 | TWL6040_REG_AMICBCTL, | |
123 | TWL6040_REG_DMICBCTL, | |
124 | TWL6040_REG_HKCTL1, | |
125 | TWL6040_REG_HKCTL2, | |
126 | TWL6040_REG_GPOCTL, | |
127 | TWL6040_REG_TRIM1, | |
128 | TWL6040_REG_TRIM2, | |
129 | TWL6040_REG_TRIM3, | |
130 | TWL6040_REG_HSOTRIM, | |
131 | TWL6040_REG_HFOTRIM, | |
132 | TWL6040_REG_ACCCTL, | |
133 | TWL6040_REG_STATUS, | |
134 | }; | |
135 | ||
136 | /* | |
137 | * twl6040 vdd/vss registers: | |
138 | * registers under vdd/vss supplies can only be accessed | |
139 | * after the power-up sequence | |
140 | */ | |
141 | static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = { | |
142 | TWL6040_REG_HPPLLCTL, | |
143 | TWL6040_REG_LPPLLCTL, | |
144 | TWL6040_REG_LPPLLDIV, | |
145 | TWL6040_REG_MICLCTL, | |
146 | TWL6040_REG_MICRCTL, | |
147 | TWL6040_REG_MICGAIN, | |
148 | TWL6040_REG_LINEGAIN, | |
149 | TWL6040_REG_HSLCTL, | |
150 | TWL6040_REG_HSRCTL, | |
151 | TWL6040_REG_HSGAIN, | |
152 | TWL6040_REG_EARCTL, | |
153 | TWL6040_REG_HFLCTL, | |
154 | TWL6040_REG_HFLGAIN, | |
155 | TWL6040_REG_HFRCTL, | |
156 | TWL6040_REG_HFRGAIN, | |
157 | TWL6040_REG_VIBCTLL, | |
158 | TWL6040_REG_VIBDATL, | |
159 | TWL6040_REG_VIBCTLR, | |
160 | TWL6040_REG_VIBDATR, | |
161 | TWL6040_REG_ALB, | |
162 | TWL6040_REG_DLB, | |
163 | }; | |
164 | ||
165 | /* | |
166 | * read twl6040 register cache | |
167 | */ | |
168 | static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, | |
169 | unsigned int reg) | |
170 | { | |
171 | u8 *cache = codec->reg_cache; | |
172 | ||
173 | if (reg >= TWL6040_CACHEREGNUM) | |
174 | return -EIO; | |
175 | ||
176 | return cache[reg]; | |
177 | } | |
178 | ||
179 | /* | |
180 | * write twl6040 register cache | |
181 | */ | |
182 | static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, | |
183 | u8 reg, u8 value) | |
184 | { | |
185 | u8 *cache = codec->reg_cache; | |
186 | ||
187 | if (reg >= TWL6040_CACHEREGNUM) | |
188 | return; | |
189 | cache[reg] = value; | |
190 | } | |
191 | ||
192 | /* | |
193 | * read from twl6040 hardware register | |
194 | */ | |
195 | static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, | |
196 | unsigned int reg) | |
197 | { | |
198 | u8 value; | |
199 | ||
200 | if (reg >= TWL6040_CACHEREGNUM) | |
201 | return -EIO; | |
202 | ||
203 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg); | |
204 | twl6040_write_reg_cache(codec, reg, value); | |
205 | ||
206 | return value; | |
207 | } | |
208 | ||
209 | /* | |
210 | * write to the twl6040 register space | |
211 | */ | |
212 | static int twl6040_write(struct snd_soc_codec *codec, | |
213 | unsigned int reg, unsigned int value) | |
214 | { | |
215 | if (reg >= TWL6040_CACHEREGNUM) | |
216 | return -EIO; | |
217 | ||
218 | twl6040_write_reg_cache(codec, reg, value); | |
219 | return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); | |
220 | } | |
221 | ||
222 | static void twl6040_init_vio_regs(struct snd_soc_codec *codec) | |
223 | { | |
224 | u8 *cache = codec->reg_cache; | |
225 | int reg, i; | |
226 | ||
227 | /* allow registers to be accessed by i2c */ | |
228 | twl6040_write(codec, TWL6040_REG_ACCCTL, cache[TWL6040_REG_ACCCTL]); | |
229 | ||
230 | for (i = 0; i < TWL6040_VIOREGNUM; i++) { | |
231 | reg = twl6040_vio_reg[i]; | |
232 | /* skip read-only registers (ASICID, ASICREV, STATUS) */ | |
233 | switch (reg) { | |
234 | case TWL6040_REG_ASICID: | |
235 | case TWL6040_REG_ASICREV: | |
236 | case TWL6040_REG_STATUS: | |
237 | continue; | |
238 | default: | |
239 | break; | |
240 | } | |
241 | twl6040_write(codec, reg, cache[reg]); | |
242 | } | |
243 | } | |
244 | ||
245 | static void twl6040_init_vdd_regs(struct snd_soc_codec *codec) | |
246 | { | |
247 | u8 *cache = codec->reg_cache; | |
248 | int reg, i; | |
249 | ||
250 | for (i = 0; i < TWL6040_VDDREGNUM; i++) { | |
251 | reg = twl6040_vdd_reg[i]; | |
252 | twl6040_write(codec, reg, cache[reg]); | |
253 | } | |
254 | } | |
255 | ||
256 | /* twl6040 codec manual power-up sequence */ | |
257 | static void twl6040_power_up(struct snd_soc_codec *codec) | |
258 | { | |
259 | u8 ncpctl, ldoctl, lppllctl, accctl; | |
260 | ||
261 | ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); | |
262 | ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); | |
263 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
264 | accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); | |
265 | ||
266 | /* enable reference system */ | |
267 | ldoctl |= TWL6040_REFENA; | |
268 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
269 | msleep(10); | |
270 | /* enable internal oscillator */ | |
271 | ldoctl |= TWL6040_OSCENA; | |
272 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
273 | udelay(10); | |
274 | /* enable high-side ldo */ | |
275 | ldoctl |= TWL6040_HSLDOENA; | |
276 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
277 | udelay(244); | |
278 | /* enable negative charge pump */ | |
279 | ncpctl |= TWL6040_NCPENA | TWL6040_NCPOPEN; | |
280 | twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); | |
281 | udelay(488); | |
282 | /* enable low-side ldo */ | |
283 | ldoctl |= TWL6040_LSLDOENA; | |
284 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
285 | udelay(244); | |
286 | /* enable low-power pll */ | |
287 | lppllctl |= TWL6040_LPLLENA; | |
288 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
289 | /* reset state machine */ | |
290 | accctl |= TWL6040_RESETSPLIT; | |
291 | twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); | |
292 | mdelay(5); | |
293 | accctl &= ~TWL6040_RESETSPLIT; | |
294 | twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); | |
295 | /* disable internal oscillator */ | |
296 | ldoctl &= ~TWL6040_OSCENA; | |
297 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
298 | } | |
299 | ||
300 | /* twl6040 codec manual power-down sequence */ | |
301 | static void twl6040_power_down(struct snd_soc_codec *codec) | |
302 | { | |
303 | u8 ncpctl, ldoctl, lppllctl, accctl; | |
304 | ||
305 | ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); | |
306 | ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); | |
307 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
308 | accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); | |
309 | ||
310 | /* enable internal oscillator */ | |
311 | ldoctl |= TWL6040_OSCENA; | |
312 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
313 | udelay(10); | |
314 | /* disable low-power pll */ | |
315 | lppllctl &= ~TWL6040_LPLLENA; | |
316 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
317 | /* disable low-side ldo */ | |
318 | ldoctl &= ~TWL6040_LSLDOENA; | |
319 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
320 | udelay(244); | |
321 | /* disable negative charge pump */ | |
322 | ncpctl &= ~(TWL6040_NCPENA | TWL6040_NCPOPEN); | |
323 | twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); | |
324 | udelay(488); | |
325 | /* disable high-side ldo */ | |
326 | ldoctl &= ~TWL6040_HSLDOENA; | |
327 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
328 | udelay(244); | |
329 | /* disable internal oscillator */ | |
330 | ldoctl &= ~TWL6040_OSCENA; | |
331 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
332 | /* disable reference system */ | |
333 | ldoctl &= ~TWL6040_REFENA; | |
334 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
335 | msleep(10); | |
336 | } | |
337 | ||
338 | /* set headset dac and driver power mode */ | |
339 | static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) | |
340 | { | |
341 | int hslctl, hsrctl; | |
342 | int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL; | |
343 | ||
344 | hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); | |
345 | hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); | |
346 | ||
347 | if (high_perf) { | |
348 | hslctl &= ~mask; | |
349 | hsrctl &= ~mask; | |
350 | } else { | |
351 | hslctl |= mask; | |
352 | hsrctl |= mask; | |
353 | } | |
354 | ||
355 | twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); | |
356 | twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); | |
357 | ||
358 | return 0; | |
359 | } | |
360 | ||
0fad4ed7 JEC |
361 | static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, |
362 | struct snd_kcontrol *kcontrol, int event) | |
363 | { | |
364 | msleep(1); | |
365 | return 0; | |
366 | } | |
367 | ||
8ecbabd9 MLC |
368 | static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w, |
369 | struct snd_kcontrol *kcontrol, int event) | |
370 | { | |
371 | struct snd_soc_codec *codec = w->codec; | |
d4a8ca24 | 372 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
373 | |
374 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
375 | priv->non_lp++; | |
376 | else | |
377 | priv->non_lp--; | |
378 | ||
0fad4ed7 JEC |
379 | msleep(1); |
380 | ||
8ecbabd9 MLC |
381 | return 0; |
382 | } | |
383 | ||
384 | /* audio interrupt handler */ | |
385 | static irqreturn_t twl6040_naudint_handler(int irq, void *data) | |
386 | { | |
387 | struct snd_soc_codec *codec = data; | |
d4a8ca24 | 388 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
389 | u8 intid; |
390 | ||
391 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID); | |
392 | ||
393 | switch (intid) { | |
394 | case TWL6040_THINT: | |
395 | dev_alert(codec->dev, "die temp over-limit detection\n"); | |
396 | break; | |
397 | case TWL6040_PLUGINT: | |
398 | case TWL6040_UNPLUGINT: | |
399 | case TWL6040_HOOKINT: | |
400 | break; | |
401 | case TWL6040_HFINT: | |
402 | dev_alert(codec->dev, "hf drivers over current detection\n"); | |
403 | break; | |
404 | case TWL6040_VIBINT: | |
405 | dev_alert(codec->dev, "vib drivers over current detection\n"); | |
406 | break; | |
407 | case TWL6040_READYINT: | |
408 | complete(&priv->ready); | |
409 | break; | |
410 | default: | |
411 | dev_err(codec->dev, "unknown audio interrupt %d\n", intid); | |
412 | break; | |
413 | } | |
414 | ||
415 | return IRQ_HANDLED; | |
416 | } | |
417 | ||
418 | /* | |
419 | * MICATT volume control: | |
420 | * from -6 to 0 dB in 6 dB steps | |
421 | */ | |
422 | static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); | |
423 | ||
424 | /* | |
425 | * MICGAIN volume control: | |
426 | * from 6 to 30 dB in 6 dB steps | |
427 | */ | |
428 | static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); | |
429 | ||
430 | /* | |
431 | * HSGAIN volume control: | |
432 | * from -30 to 0 dB in 2 dB steps | |
433 | */ | |
434 | static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); | |
435 | ||
436 | /* | |
437 | * HFGAIN volume control: | |
438 | * from -52 to 6 dB in 2 dB steps | |
439 | */ | |
440 | static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); | |
441 | ||
871a05a7 JEC |
442 | /* |
443 | * EPGAIN volume control: | |
444 | * from -24 to 6 dB in 2 dB steps | |
445 | */ | |
446 | static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); | |
447 | ||
8ecbabd9 MLC |
448 | /* Left analog microphone selection */ |
449 | static const char *twl6040_amicl_texts[] = | |
450 | {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; | |
451 | ||
452 | /* Right analog microphone selection */ | |
453 | static const char *twl6040_amicr_texts[] = | |
454 | {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; | |
455 | ||
456 | static const struct soc_enum twl6040_enum[] = { | |
457 | SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 3, twl6040_amicl_texts), | |
458 | SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 3, twl6040_amicr_texts), | |
459 | }; | |
460 | ||
461 | static const struct snd_kcontrol_new amicl_control = | |
462 | SOC_DAPM_ENUM("Route", twl6040_enum[0]); | |
463 | ||
464 | static const struct snd_kcontrol_new amicr_control = | |
465 | SOC_DAPM_ENUM("Route", twl6040_enum[1]); | |
466 | ||
467 | /* Headset DAC playback switches */ | |
468 | static const struct snd_kcontrol_new hsdacl_switch_controls = | |
469 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSLCTL, 5, 1, 0); | |
470 | ||
471 | static const struct snd_kcontrol_new hsdacr_switch_controls = | |
472 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSRCTL, 5, 1, 0); | |
473 | ||
474 | /* Handsfree DAC playback switches */ | |
475 | static const struct snd_kcontrol_new hfdacl_switch_controls = | |
476 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 2, 1, 0); | |
477 | ||
478 | static const struct snd_kcontrol_new hfdacr_switch_controls = | |
479 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 2, 1, 0); | |
480 | ||
871a05a7 JEC |
481 | static const struct snd_kcontrol_new ep_driver_switch_controls = |
482 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0); | |
483 | ||
8ecbabd9 MLC |
484 | static const struct snd_kcontrol_new twl6040_snd_controls[] = { |
485 | /* Capture gains */ | |
486 | SOC_DOUBLE_TLV("Capture Preamplifier Volume", | |
487 | TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), | |
488 | SOC_DOUBLE_TLV("Capture Volume", | |
489 | TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), | |
490 | ||
491 | /* Playback gains */ | |
492 | SOC_DOUBLE_TLV("Headset Playback Volume", | |
493 | TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), | |
494 | SOC_DOUBLE_R_TLV("Handsfree Playback Volume", | |
495 | TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), | |
871a05a7 JEC |
496 | SOC_SINGLE_TLV("Earphone Playback Volume", |
497 | TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), | |
8ecbabd9 MLC |
498 | }; |
499 | ||
500 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { | |
501 | /* Inputs */ | |
502 | SND_SOC_DAPM_INPUT("MAINMIC"), | |
503 | SND_SOC_DAPM_INPUT("HSMIC"), | |
504 | SND_SOC_DAPM_INPUT("SUBMIC"), | |
505 | SND_SOC_DAPM_INPUT("AFML"), | |
506 | SND_SOC_DAPM_INPUT("AFMR"), | |
507 | ||
508 | /* Outputs */ | |
509 | SND_SOC_DAPM_OUTPUT("HSOL"), | |
510 | SND_SOC_DAPM_OUTPUT("HSOR"), | |
511 | SND_SOC_DAPM_OUTPUT("HFL"), | |
512 | SND_SOC_DAPM_OUTPUT("HFR"), | |
871a05a7 | 513 | SND_SOC_DAPM_OUTPUT("EP"), |
8ecbabd9 MLC |
514 | |
515 | /* Analog input muxes for the capture amplifiers */ | |
516 | SND_SOC_DAPM_MUX("Analog Left Capture Route", | |
517 | SND_SOC_NOPM, 0, 0, &amicl_control), | |
518 | SND_SOC_DAPM_MUX("Analog Right Capture Route", | |
519 | SND_SOC_NOPM, 0, 0, &amicr_control), | |
520 | ||
521 | /* Analog capture PGAs */ | |
522 | SND_SOC_DAPM_PGA("MicAmpL", | |
523 | TWL6040_REG_MICLCTL, 0, 0, NULL, 0), | |
524 | SND_SOC_DAPM_PGA("MicAmpR", | |
525 | TWL6040_REG_MICRCTL, 0, 0, NULL, 0), | |
526 | ||
527 | /* ADCs */ | |
528 | SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture", | |
529 | TWL6040_REG_MICLCTL, 2, 0), | |
530 | SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture", | |
531 | TWL6040_REG_MICRCTL, 2, 0), | |
532 | ||
533 | /* Microphone bias */ | |
534 | SND_SOC_DAPM_MICBIAS("Headset Mic Bias", | |
535 | TWL6040_REG_AMICBCTL, 0, 0), | |
536 | SND_SOC_DAPM_MICBIAS("Main Mic Bias", | |
537 | TWL6040_REG_AMICBCTL, 4, 0), | |
538 | SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias", | |
539 | TWL6040_REG_DMICBCTL, 0, 0), | |
540 | SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias", | |
541 | TWL6040_REG_DMICBCTL, 4, 0), | |
542 | ||
543 | /* DACs */ | |
0fad4ed7 JEC |
544 | SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback", |
545 | TWL6040_REG_HSLCTL, 0, 0, | |
546 | twl6040_hs_dac_event, | |
547 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
548 | SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback", | |
549 | TWL6040_REG_HSRCTL, 0, 0, | |
550 | twl6040_hs_dac_event, | |
551 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
8ecbabd9 MLC |
552 | SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback", |
553 | TWL6040_REG_HFLCTL, 0, 0, | |
554 | twl6040_power_mode_event, | |
555 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
556 | SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback", | |
557 | TWL6040_REG_HFRCTL, 0, 0, | |
558 | twl6040_power_mode_event, | |
559 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
560 | ||
561 | /* Analog playback switches */ | |
562 | SND_SOC_DAPM_SWITCH("HSDAC Left Playback", | |
563 | SND_SOC_NOPM, 0, 0, &hsdacl_switch_controls), | |
564 | SND_SOC_DAPM_SWITCH("HSDAC Right Playback", | |
565 | SND_SOC_NOPM, 0, 0, &hsdacr_switch_controls), | |
566 | SND_SOC_DAPM_SWITCH("HFDAC Left Playback", | |
567 | SND_SOC_NOPM, 0, 0, &hfdacl_switch_controls), | |
568 | SND_SOC_DAPM_SWITCH("HFDAC Right Playback", | |
569 | SND_SOC_NOPM, 0, 0, &hfdacr_switch_controls), | |
570 | ||
0fad4ed7 JEC |
571 | /* Analog playback drivers */ |
572 | SND_SOC_DAPM_PGA_E("Handsfree Left Driver", | |
573 | TWL6040_REG_HFLCTL, 4, 0, NULL, 0, | |
8ecbabd9 MLC |
574 | twl6040_power_mode_event, |
575 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
0fad4ed7 JEC |
576 | SND_SOC_DAPM_PGA_E("Handsfree Right Driver", |
577 | TWL6040_REG_HFRCTL, 4, 0, NULL, 0, | |
8ecbabd9 MLC |
578 | twl6040_power_mode_event, |
579 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
0fad4ed7 JEC |
580 | SND_SOC_DAPM_PGA("Headset Left Driver", |
581 | TWL6040_REG_HSLCTL, 2, 0, NULL, 0), | |
582 | SND_SOC_DAPM_PGA("Headset Right Driver", | |
583 | TWL6040_REG_HSRCTL, 2, 0, NULL, 0), | |
871a05a7 JEC |
584 | SND_SOC_DAPM_SWITCH_E("Earphone Driver", |
585 | SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls, | |
586 | twl6040_power_mode_event, | |
587 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
8ecbabd9 MLC |
588 | |
589 | /* Analog playback PGAs */ | |
590 | SND_SOC_DAPM_PGA("HFDAC Left PGA", | |
591 | TWL6040_REG_HFLCTL, 1, 0, NULL, 0), | |
592 | SND_SOC_DAPM_PGA("HFDAC Right PGA", | |
593 | TWL6040_REG_HFRCTL, 1, 0, NULL, 0), | |
594 | ||
595 | }; | |
596 | ||
597 | static const struct snd_soc_dapm_route intercon[] = { | |
598 | /* Capture path */ | |
599 | {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, | |
600 | {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, | |
601 | {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, | |
602 | ||
603 | {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, | |
604 | {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, | |
605 | {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, | |
606 | ||
607 | {"MicAmpL", NULL, "Analog Left Capture Route"}, | |
608 | {"MicAmpR", NULL, "Analog Right Capture Route"}, | |
609 | ||
610 | {"ADC Left", NULL, "MicAmpL"}, | |
611 | {"ADC Right", NULL, "MicAmpR"}, | |
612 | ||
613 | /* Headset playback path */ | |
614 | {"HSDAC Left Playback", "Switch", "HSDAC Left"}, | |
615 | {"HSDAC Right Playback", "Switch", "HSDAC Right"}, | |
616 | ||
0fad4ed7 JEC |
617 | {"Headset Left Driver", NULL, "HSDAC Left Playback"}, |
618 | {"Headset Right Driver", NULL, "HSDAC Right Playback"}, | |
8ecbabd9 MLC |
619 | |
620 | {"HSOL", NULL, "Headset Left Driver"}, | |
621 | {"HSOR", NULL, "Headset Right Driver"}, | |
622 | ||
871a05a7 JEC |
623 | /* Earphone playback path */ |
624 | {"Earphone Driver", "Switch", "HSDAC Left"}, | |
625 | {"EP", NULL, "Earphone Driver"}, | |
626 | ||
8ecbabd9 MLC |
627 | /* Handsfree playback path */ |
628 | {"HFDAC Left Playback", "Switch", "HFDAC Left"}, | |
629 | {"HFDAC Right Playback", "Switch", "HFDAC Right"}, | |
630 | ||
631 | {"HFDAC Left PGA", NULL, "HFDAC Left Playback"}, | |
632 | {"HFDAC Right PGA", NULL, "HFDAC Right Playback"}, | |
633 | ||
634 | {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"}, | |
635 | {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"}, | |
636 | ||
637 | {"HFL", NULL, "Handsfree Left Driver"}, | |
638 | {"HFR", NULL, "Handsfree Right Driver"}, | |
639 | }; | |
640 | ||
641 | static int twl6040_add_widgets(struct snd_soc_codec *codec) | |
642 | { | |
ce6120cc | 643 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
8ecbabd9 | 644 | |
ce6120cc LG |
645 | snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets, |
646 | ARRAY_SIZE(twl6040_dapm_widgets)); | |
647 | snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon)); | |
648 | snd_soc_dapm_new_widgets(dapm); | |
8ecbabd9 MLC |
649 | |
650 | return 0; | |
651 | } | |
652 | ||
653 | static int twl6040_power_up_completion(struct snd_soc_codec *codec, | |
654 | int naudint) | |
655 | { | |
d4a8ca24 | 656 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
657 | int time_left; |
658 | u8 intid; | |
659 | ||
660 | time_left = wait_for_completion_timeout(&priv->ready, | |
661 | msecs_to_jiffies(48)); | |
662 | ||
663 | if (!time_left) { | |
664 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, | |
665 | TWL6040_REG_INTID); | |
666 | if (!(intid & TWL6040_READYINT)) { | |
667 | dev_err(codec->dev, "timeout waiting for READYINT\n"); | |
668 | return -ETIMEDOUT; | |
669 | } | |
670 | } | |
671 | ||
672 | priv->codec_powered = 1; | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | static int twl6040_set_bias_level(struct snd_soc_codec *codec, | |
678 | enum snd_soc_bias_level level) | |
679 | { | |
d4a8ca24 | 680 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
681 | int audpwron = priv->audpwron; |
682 | int naudint = priv->naudint; | |
683 | int ret; | |
684 | ||
685 | switch (level) { | |
686 | case SND_SOC_BIAS_ON: | |
687 | break; | |
688 | case SND_SOC_BIAS_PREPARE: | |
689 | break; | |
690 | case SND_SOC_BIAS_STANDBY: | |
691 | if (priv->codec_powered) | |
692 | break; | |
693 | ||
694 | if (gpio_is_valid(audpwron)) { | |
695 | /* use AUDPWRON line */ | |
696 | gpio_set_value(audpwron, 1); | |
697 | ||
698 | /* wait for power-up completion */ | |
699 | ret = twl6040_power_up_completion(codec, naudint); | |
700 | if (ret) | |
701 | return ret; | |
702 | ||
703 | /* sync registers updated during power-up sequence */ | |
704 | twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); | |
705 | twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); | |
706 | twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL); | |
707 | } else { | |
708 | /* use manual power-up sequence */ | |
709 | twl6040_power_up(codec); | |
710 | priv->codec_powered = 1; | |
711 | } | |
712 | ||
713 | /* initialize vdd/vss registers with reg_cache */ | |
714 | twl6040_init_vdd_regs(codec); | |
715 | break; | |
716 | case SND_SOC_BIAS_OFF: | |
717 | if (!priv->codec_powered) | |
718 | break; | |
719 | ||
720 | if (gpio_is_valid(audpwron)) { | |
721 | /* use AUDPWRON line */ | |
722 | gpio_set_value(audpwron, 0); | |
723 | ||
724 | /* power-down sequence latency */ | |
725 | udelay(500); | |
726 | ||
727 | /* sync registers updated during power-down sequence */ | |
728 | twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); | |
729 | twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); | |
730 | twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL, | |
731 | 0x00); | |
732 | } else { | |
733 | /* use manual power-down sequence */ | |
734 | twl6040_power_down(codec); | |
735 | } | |
736 | ||
737 | priv->codec_powered = 0; | |
738 | break; | |
739 | } | |
740 | ||
ce6120cc | 741 | codec->dapm.bias_level = level; |
8ecbabd9 MLC |
742 | |
743 | return 0; | |
744 | } | |
745 | ||
746 | /* set of rates for each pll: low-power and high-performance */ | |
747 | ||
748 | static unsigned int lp_rates[] = { | |
749 | 88200, | |
750 | 96000, | |
751 | }; | |
752 | ||
753 | static struct snd_pcm_hw_constraint_list lp_constraints = { | |
754 | .count = ARRAY_SIZE(lp_rates), | |
755 | .list = lp_rates, | |
756 | }; | |
757 | ||
758 | static unsigned int hp_rates[] = { | |
759 | 96000, | |
760 | }; | |
761 | ||
762 | static struct snd_pcm_hw_constraint_list hp_constraints = { | |
763 | .count = ARRAY_SIZE(hp_rates), | |
764 | .list = hp_rates, | |
765 | }; | |
766 | ||
767 | static int twl6040_startup(struct snd_pcm_substream *substream, | |
768 | struct snd_soc_dai *dai) | |
769 | { | |
770 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 771 | struct snd_soc_codec *codec = rtd->codec; |
d4a8ca24 | 772 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
773 | |
774 | if (!priv->sysclk) { | |
775 | dev_err(codec->dev, | |
776 | "no mclk configured, call set_sysclk() on init\n"); | |
777 | return -EINVAL; | |
778 | } | |
779 | ||
780 | /* | |
781 | * capture is not supported at 17.64 MHz, | |
782 | * it's reserved for headset low-power playback scenario | |
783 | */ | |
784 | if ((priv->sysclk == 17640000) && substream->stream) { | |
785 | dev_err(codec->dev, | |
786 | "capture mode is not supported at %dHz\n", | |
787 | priv->sysclk); | |
788 | return -EINVAL; | |
789 | } | |
790 | ||
791 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
792 | SNDRV_PCM_HW_PARAM_RATE, | |
793 | priv->sysclk_constraints); | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
798 | static int twl6040_hw_params(struct snd_pcm_substream *substream, | |
799 | struct snd_pcm_hw_params *params, | |
800 | struct snd_soc_dai *dai) | |
801 | { | |
802 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 803 | struct snd_soc_codec *codec = rtd->codec; |
d4a8ca24 | 804 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
805 | u8 lppllctl; |
806 | int rate; | |
807 | ||
808 | /* nothing to do for high-perf pll, it supports only 48 kHz */ | |
809 | if (priv->pll == TWL6040_HPPLL_ID) | |
810 | return 0; | |
811 | ||
812 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
813 | ||
814 | rate = params_rate(params); | |
815 | switch (rate) { | |
816 | case 88200: | |
817 | lppllctl |= TWL6040_LPLLFIN; | |
818 | priv->sysclk = 17640000; | |
819 | break; | |
820 | case 96000: | |
821 | lppllctl &= ~TWL6040_LPLLFIN; | |
822 | priv->sysclk = 19200000; | |
823 | break; | |
824 | default: | |
825 | dev_err(codec->dev, "unsupported rate %d\n", rate); | |
826 | return -EINVAL; | |
827 | } | |
828 | ||
829 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
834 | static int twl6040_trigger(struct snd_pcm_substream *substream, | |
835 | int cmd, struct snd_soc_dai *dai) | |
836 | { | |
837 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 838 | struct snd_soc_codec *codec = rtd->codec; |
d4a8ca24 | 839 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
840 | |
841 | switch (cmd) { | |
842 | case SNDRV_PCM_TRIGGER_START: | |
843 | case SNDRV_PCM_TRIGGER_RESUME: | |
844 | /* | |
845 | * low-power playback mode is restricted | |
846 | * for headset path only | |
847 | */ | |
848 | if ((priv->sysclk == 17640000) && priv->non_lp) { | |
849 | dev_err(codec->dev, | |
850 | "some enabled paths aren't supported at %dHz\n", | |
851 | priv->sysclk); | |
852 | return -EPERM; | |
853 | } | |
854 | break; | |
855 | default: | |
856 | break; | |
857 | } | |
858 | ||
859 | return 0; | |
860 | } | |
861 | ||
862 | static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
863 | int clk_id, unsigned int freq, int dir) | |
864 | { | |
865 | struct snd_soc_codec *codec = codec_dai->codec; | |
d4a8ca24 | 866 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
867 | u8 hppllctl, lppllctl; |
868 | ||
869 | hppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_HPPLLCTL); | |
870 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
871 | ||
872 | switch (clk_id) { | |
873 | case TWL6040_SYSCLK_SEL_LPPLL: | |
874 | switch (freq) { | |
875 | case 32768: | |
876 | /* headset dac and driver must be in low-power mode */ | |
877 | headset_power_mode(codec, 0); | |
878 | ||
879 | /* clk32k input requires low-power pll */ | |
880 | lppllctl |= TWL6040_LPLLENA; | |
881 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
882 | mdelay(5); | |
883 | lppllctl &= ~TWL6040_HPLLSEL; | |
884 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
885 | hppllctl &= ~TWL6040_HPLLENA; | |
886 | twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); | |
887 | break; | |
888 | default: | |
889 | dev_err(codec->dev, "unknown mclk freq %d\n", freq); | |
890 | return -EINVAL; | |
891 | } | |
892 | ||
893 | /* lppll divider */ | |
894 | switch (priv->sysclk) { | |
895 | case 17640000: | |
896 | lppllctl |= TWL6040_LPLLFIN; | |
897 | break; | |
898 | case 19200000: | |
899 | lppllctl &= ~TWL6040_LPLLFIN; | |
900 | break; | |
901 | default: | |
902 | /* sysclk not yet configured */ | |
903 | lppllctl &= ~TWL6040_LPLLFIN; | |
904 | priv->sysclk = 19200000; | |
905 | break; | |
906 | } | |
907 | ||
908 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
909 | ||
910 | priv->pll = TWL6040_LPPLL_ID; | |
911 | priv->sysclk_constraints = &lp_constraints; | |
912 | break; | |
913 | case TWL6040_SYSCLK_SEL_HPPLL: | |
914 | hppllctl &= ~TWL6040_MCLK_MSK; | |
915 | ||
916 | switch (freq) { | |
917 | case 12000000: | |
918 | /* mclk input, pll enabled */ | |
919 | hppllctl |= TWL6040_MCLK_12000KHZ | | |
920 | TWL6040_HPLLSQRBP | | |
921 | TWL6040_HPLLENA; | |
922 | break; | |
923 | case 19200000: | |
924 | /* mclk input, pll disabled */ | |
925 | hppllctl |= TWL6040_MCLK_19200KHZ | | |
44ebaa5d | 926 | TWL6040_HPLLSQRENA | |
8ecbabd9 MLC |
927 | TWL6040_HPLLBP; |
928 | break; | |
929 | case 26000000: | |
930 | /* mclk input, pll enabled */ | |
931 | hppllctl |= TWL6040_MCLK_26000KHZ | | |
932 | TWL6040_HPLLSQRBP | | |
933 | TWL6040_HPLLENA; | |
934 | break; | |
935 | case 38400000: | |
936 | /* clk slicer, pll disabled */ | |
937 | hppllctl |= TWL6040_MCLK_38400KHZ | | |
938 | TWL6040_HPLLSQRENA | | |
939 | TWL6040_HPLLBP; | |
940 | break; | |
941 | default: | |
942 | dev_err(codec->dev, "unknown mclk freq %d\n", freq); | |
943 | return -EINVAL; | |
944 | } | |
945 | ||
946 | /* headset dac and driver must be in high-performance mode */ | |
947 | headset_power_mode(codec, 1); | |
948 | ||
949 | twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); | |
950 | udelay(500); | |
951 | lppllctl |= TWL6040_HPLLSEL; | |
952 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
953 | lppllctl &= ~TWL6040_LPLLENA; | |
954 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
955 | ||
956 | /* high-performance pll can provide only 19.2 MHz */ | |
957 | priv->pll = TWL6040_HPPLL_ID; | |
958 | priv->sysclk = 19200000; | |
959 | priv->sysclk_constraints = &hp_constraints; | |
960 | break; | |
961 | default: | |
962 | dev_err(codec->dev, "unknown clk_id %d\n", clk_id); | |
963 | return -EINVAL; | |
964 | } | |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
969 | static struct snd_soc_dai_ops twl6040_dai_ops = { | |
970 | .startup = twl6040_startup, | |
971 | .hw_params = twl6040_hw_params, | |
972 | .trigger = twl6040_trigger, | |
973 | .set_sysclk = twl6040_set_dai_sysclk, | |
974 | }; | |
975 | ||
f0fba2ad LG |
976 | static struct snd_soc_dai_driver twl6040_dai = { |
977 | .name = "twl6040-hifi", | |
8ecbabd9 MLC |
978 | .playback = { |
979 | .stream_name = "Playback", | |
980 | .channels_min = 1, | |
981 | .channels_max = 4, | |
982 | .rates = TWL6040_RATES, | |
983 | .formats = TWL6040_FORMATS, | |
984 | }, | |
985 | .capture = { | |
986 | .stream_name = "Capture", | |
987 | .channels_min = 1, | |
988 | .channels_max = 2, | |
989 | .rates = TWL6040_RATES, | |
990 | .formats = TWL6040_FORMATS, | |
991 | }, | |
992 | .ops = &twl6040_dai_ops, | |
993 | }; | |
8ecbabd9 MLC |
994 | |
995 | #ifdef CONFIG_PM | |
f0fba2ad | 996 | static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state) |
8ecbabd9 | 997 | { |
8ecbabd9 MLC |
998 | twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
f0fba2ad | 1003 | static int twl6040_resume(struct snd_soc_codec *codec) |
8ecbabd9 | 1004 | { |
8ecbabd9 | 1005 | twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
8ecbabd9 MLC |
1006 | |
1007 | return 0; | |
1008 | } | |
1009 | #else | |
1010 | #define twl6040_suspend NULL | |
1011 | #define twl6040_resume NULL | |
1012 | #endif | |
1013 | ||
f0fba2ad | 1014 | static int twl6040_probe(struct snd_soc_codec *codec) |
8ecbabd9 | 1015 | { |
f0fba2ad | 1016 | struct twl4030_codec_data *twl_codec = codec->dev->platform_data; |
8ecbabd9 MLC |
1017 | struct twl6040_data *priv; |
1018 | int audpwron, naudint; | |
1019 | int ret = 0; | |
1020 | ||
1021 | priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); | |
1022 | if (priv == NULL) | |
1023 | return -ENOMEM; | |
f0fba2ad | 1024 | snd_soc_codec_set_drvdata(codec, priv); |
8ecbabd9 MLC |
1025 | |
1026 | if (twl_codec) { | |
1027 | audpwron = twl_codec->audpwron_gpio; | |
1028 | naudint = twl_codec->naudint_irq; | |
1029 | } else { | |
1030 | audpwron = -EINVAL; | |
1031 | naudint = 0; | |
1032 | } | |
1033 | ||
1034 | priv->audpwron = audpwron; | |
1035 | priv->naudint = naudint; | |
1036 | ||
8ecbabd9 MLC |
1037 | init_completion(&priv->ready); |
1038 | ||
1039 | if (gpio_is_valid(audpwron)) { | |
1040 | ret = gpio_request(audpwron, "audpwron"); | |
1041 | if (ret) | |
1042 | goto gpio1_err; | |
1043 | ||
1044 | ret = gpio_direction_output(audpwron, 0); | |
1045 | if (ret) | |
1046 | goto gpio2_err; | |
1047 | ||
1048 | priv->codec_powered = 0; | |
1049 | } | |
1050 | ||
1051 | if (naudint) { | |
1052 | /* audio interrupt */ | |
1053 | ret = request_threaded_irq(naudint, NULL, | |
1054 | twl6040_naudint_handler, | |
1055 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, | |
1056 | "twl6040_codec", codec); | |
1057 | if (ret) | |
1058 | goto gpio2_err; | |
1059 | } else { | |
1060 | if (gpio_is_valid(audpwron)) { | |
1061 | /* enable only codec ready interrupt */ | |
1062 | twl6040_write_reg_cache(codec, TWL6040_REG_INTMR, | |
1063 | ~TWL6040_READYMSK & TWL6040_ALLINT_MSK); | |
1064 | } else { | |
1065 | /* no interrupts at all */ | |
1066 | twl6040_write_reg_cache(codec, TWL6040_REG_INTMR, | |
1067 | TWL6040_ALLINT_MSK); | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | /* init vio registers */ | |
1072 | twl6040_init_vio_regs(codec); | |
1073 | ||
1074 | /* power on device */ | |
1075 | ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1076 | if (ret) | |
1077 | goto irq_err; | |
1078 | ||
f0fba2ad LG |
1079 | snd_soc_add_controls(codec, twl6040_snd_controls, |
1080 | ARRAY_SIZE(twl6040_snd_controls)); | |
1081 | twl6040_add_widgets(codec); | |
8ecbabd9 MLC |
1082 | |
1083 | return 0; | |
1084 | ||
8ecbabd9 MLC |
1085 | irq_err: |
1086 | if (naudint) | |
1087 | free_irq(naudint, codec); | |
1088 | gpio2_err: | |
1089 | if (gpio_is_valid(audpwron)) | |
1090 | gpio_free(audpwron); | |
1091 | gpio1_err: | |
8ecbabd9 MLC |
1092 | kfree(priv); |
1093 | return ret; | |
1094 | } | |
1095 | ||
f0fba2ad | 1096 | static int twl6040_remove(struct snd_soc_codec *codec) |
8ecbabd9 | 1097 | { |
f0fba2ad | 1098 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
1099 | int audpwron = priv->audpwron; |
1100 | int naudint = priv->naudint; | |
1101 | ||
f0fba2ad LG |
1102 | twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); |
1103 | ||
8ecbabd9 MLC |
1104 | if (gpio_is_valid(audpwron)) |
1105 | gpio_free(audpwron); | |
1106 | ||
1107 | if (naudint) | |
f0fba2ad | 1108 | free_irq(naudint, codec); |
8ecbabd9 | 1109 | |
f0fba2ad | 1110 | kfree(priv); |
8ecbabd9 | 1111 | |
f0fba2ad LG |
1112 | return 0; |
1113 | } | |
8ecbabd9 | 1114 | |
f0fba2ad LG |
1115 | static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { |
1116 | .probe = twl6040_probe, | |
1117 | .remove = twl6040_remove, | |
1118 | .suspend = twl6040_suspend, | |
1119 | .resume = twl6040_resume, | |
1120 | .read = twl6040_read_reg_cache, | |
1121 | .write = twl6040_write, | |
1122 | .set_bias_level = twl6040_set_bias_level, | |
1123 | .reg_cache_size = ARRAY_SIZE(twl6040_reg), | |
1124 | .reg_word_size = sizeof(u8), | |
1125 | .reg_cache_default = twl6040_reg, | |
1126 | }; | |
1127 | ||
1128 | static int __devinit twl6040_codec_probe(struct platform_device *pdev) | |
1129 | { | |
1130 | return snd_soc_register_codec(&pdev->dev, | |
1131 | &soc_codec_dev_twl6040, &twl6040_dai, 1); | |
1132 | } | |
1133 | ||
1134 | static int __devexit twl6040_codec_remove(struct platform_device *pdev) | |
1135 | { | |
1136 | snd_soc_unregister_codec(&pdev->dev); | |
8ecbabd9 MLC |
1137 | return 0; |
1138 | } | |
1139 | ||
1140 | static struct platform_driver twl6040_codec_driver = { | |
1141 | .driver = { | |
f0fba2ad | 1142 | .name = "twl6040-codec", |
8ecbabd9 MLC |
1143 | .owner = THIS_MODULE, |
1144 | }, | |
1145 | .probe = twl6040_codec_probe, | |
1146 | .remove = __devexit_p(twl6040_codec_remove), | |
1147 | }; | |
1148 | ||
1149 | static int __init twl6040_codec_init(void) | |
1150 | { | |
1151 | return platform_driver_register(&twl6040_codec_driver); | |
1152 | } | |
1153 | module_init(twl6040_codec_init); | |
1154 | ||
1155 | static void __exit twl6040_codec_exit(void) | |
1156 | { | |
1157 | platform_driver_unregister(&twl6040_codec_driver); | |
1158 | } | |
1159 | module_exit(twl6040_codec_exit); | |
1160 | ||
1161 | MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); | |
1162 | MODULE_AUTHOR("Misael Lopez Cruz"); | |
1163 | MODULE_LICENSE("GPL"); |