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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> | |
37 | #include <sound/soc-dapm.h> | |
38 | #include <sound/initval.h> | |
39 | #include <sound/tlv.h> | |
40 | ||
41 | #include "twl6040.h" | |
42 | ||
43 | #define TWL6040_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
44 | #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) | |
45 | ||
46 | /* codec private data */ | |
47 | struct twl6040_data { | |
48 | struct snd_soc_codec codec; | |
49 | int audpwron; | |
50 | int naudint; | |
51 | int codec_powered; | |
52 | int pll; | |
53 | int non_lp; | |
54 | unsigned int sysclk; | |
55 | struct snd_pcm_hw_constraint_list *sysclk_constraints; | |
56 | struct completion ready; | |
57 | }; | |
58 | ||
59 | /* | |
60 | * twl6040 register cache & default register settings | |
61 | */ | |
62 | static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { | |
63 | 0x00, /* not used 0x00 */ | |
64 | 0x4B, /* TWL6040_ASICID (ro) 0x01 */ | |
65 | 0x00, /* TWL6040_ASICREV (ro) 0x02 */ | |
66 | 0x00, /* TWL6040_INTID 0x03 */ | |
67 | 0x00, /* TWL6040_INTMR 0x04 */ | |
68 | 0x00, /* TWL6040_NCPCTRL 0x05 */ | |
69 | 0x00, /* TWL6040_LDOCTL 0x06 */ | |
70 | 0x60, /* TWL6040_HPPLLCTL 0x07 */ | |
71 | 0x00, /* TWL6040_LPPLLCTL 0x08 */ | |
72 | 0x4A, /* TWL6040_LPPLLDIV 0x09 */ | |
73 | 0x00, /* TWL6040_AMICBCTL 0x0A */ | |
74 | 0x00, /* TWL6040_DMICBCTL 0x0B */ | |
75 | 0x18, /* TWL6040_MICLCTL 0x0C - No input selected on Left Mic */ | |
76 | 0x18, /* TWL6040_MICRCTL 0x0D - No input selected on Right Mic */ | |
77 | 0x00, /* TWL6040_MICGAIN 0x0E */ | |
78 | 0x1B, /* TWL6040_LINEGAIN 0x0F */ | |
79 | 0x00, /* TWL6040_HSLCTL 0x10 */ | |
80 | 0x00, /* TWL6040_HSRCTL 0x11 */ | |
81 | 0x00, /* TWL6040_HSGAIN 0x12 */ | |
82 | 0x00, /* TWL6040_EARCTL 0x13 */ | |
83 | 0x00, /* TWL6040_HFLCTL 0x14 */ | |
84 | 0x00, /* TWL6040_HFLGAIN 0x15 */ | |
85 | 0x00, /* TWL6040_HFRCTL 0x16 */ | |
86 | 0x00, /* TWL6040_HFRGAIN 0x17 */ | |
87 | 0x00, /* TWL6040_VIBCTLL 0x18 */ | |
88 | 0x00, /* TWL6040_VIBDATL 0x19 */ | |
89 | 0x00, /* TWL6040_VIBCTLR 0x1A */ | |
90 | 0x00, /* TWL6040_VIBDATR 0x1B */ | |
91 | 0x00, /* TWL6040_HKCTL1 0x1C */ | |
92 | 0x00, /* TWL6040_HKCTL2 0x1D */ | |
93 | 0x00, /* TWL6040_GPOCTL 0x1E */ | |
94 | 0x00, /* TWL6040_ALB 0x1F */ | |
95 | 0x00, /* TWL6040_DLB 0x20 */ | |
96 | 0x00, /* not used 0x21 */ | |
97 | 0x00, /* not used 0x22 */ | |
98 | 0x00, /* not used 0x23 */ | |
99 | 0x00, /* not used 0x24 */ | |
100 | 0x00, /* not used 0x25 */ | |
101 | 0x00, /* not used 0x26 */ | |
102 | 0x00, /* not used 0x27 */ | |
103 | 0x00, /* TWL6040_TRIM1 0x28 */ | |
104 | 0x00, /* TWL6040_TRIM2 0x29 */ | |
105 | 0x00, /* TWL6040_TRIM3 0x2A */ | |
106 | 0x00, /* TWL6040_HSOTRIM 0x2B */ | |
107 | 0x00, /* TWL6040_HFOTRIM 0x2C */ | |
108 | 0x09, /* TWL6040_ACCCTL 0x2D */ | |
109 | 0x00, /* TWL6040_STATUS (ro) 0x2E */ | |
110 | }; | |
111 | ||
112 | /* | |
113 | * twl6040 vio/gnd registers: | |
114 | * registers under vio/gnd supply can be accessed | |
115 | * before the power-up sequence, after NRESPWRON goes high | |
116 | */ | |
117 | static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = { | |
118 | TWL6040_REG_ASICID, | |
119 | TWL6040_REG_ASICREV, | |
120 | TWL6040_REG_INTID, | |
121 | TWL6040_REG_INTMR, | |
122 | TWL6040_REG_NCPCTL, | |
123 | TWL6040_REG_LDOCTL, | |
124 | TWL6040_REG_AMICBCTL, | |
125 | TWL6040_REG_DMICBCTL, | |
126 | TWL6040_REG_HKCTL1, | |
127 | TWL6040_REG_HKCTL2, | |
128 | TWL6040_REG_GPOCTL, | |
129 | TWL6040_REG_TRIM1, | |
130 | TWL6040_REG_TRIM2, | |
131 | TWL6040_REG_TRIM3, | |
132 | TWL6040_REG_HSOTRIM, | |
133 | TWL6040_REG_HFOTRIM, | |
134 | TWL6040_REG_ACCCTL, | |
135 | TWL6040_REG_STATUS, | |
136 | }; | |
137 | ||
138 | /* | |
139 | * twl6040 vdd/vss registers: | |
140 | * registers under vdd/vss supplies can only be accessed | |
141 | * after the power-up sequence | |
142 | */ | |
143 | static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = { | |
144 | TWL6040_REG_HPPLLCTL, | |
145 | TWL6040_REG_LPPLLCTL, | |
146 | TWL6040_REG_LPPLLDIV, | |
147 | TWL6040_REG_MICLCTL, | |
148 | TWL6040_REG_MICRCTL, | |
149 | TWL6040_REG_MICGAIN, | |
150 | TWL6040_REG_LINEGAIN, | |
151 | TWL6040_REG_HSLCTL, | |
152 | TWL6040_REG_HSRCTL, | |
153 | TWL6040_REG_HSGAIN, | |
154 | TWL6040_REG_EARCTL, | |
155 | TWL6040_REG_HFLCTL, | |
156 | TWL6040_REG_HFLGAIN, | |
157 | TWL6040_REG_HFRCTL, | |
158 | TWL6040_REG_HFRGAIN, | |
159 | TWL6040_REG_VIBCTLL, | |
160 | TWL6040_REG_VIBDATL, | |
161 | TWL6040_REG_VIBCTLR, | |
162 | TWL6040_REG_VIBDATR, | |
163 | TWL6040_REG_ALB, | |
164 | TWL6040_REG_DLB, | |
165 | }; | |
166 | ||
167 | /* | |
168 | * read twl6040 register cache | |
169 | */ | |
170 | static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, | |
171 | unsigned int reg) | |
172 | { | |
173 | u8 *cache = codec->reg_cache; | |
174 | ||
175 | if (reg >= TWL6040_CACHEREGNUM) | |
176 | return -EIO; | |
177 | ||
178 | return cache[reg]; | |
179 | } | |
180 | ||
181 | /* | |
182 | * write twl6040 register cache | |
183 | */ | |
184 | static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, | |
185 | u8 reg, u8 value) | |
186 | { | |
187 | u8 *cache = codec->reg_cache; | |
188 | ||
189 | if (reg >= TWL6040_CACHEREGNUM) | |
190 | return; | |
191 | cache[reg] = value; | |
192 | } | |
193 | ||
194 | /* | |
195 | * read from twl6040 hardware register | |
196 | */ | |
197 | static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, | |
198 | unsigned int reg) | |
199 | { | |
200 | u8 value; | |
201 | ||
202 | if (reg >= TWL6040_CACHEREGNUM) | |
203 | return -EIO; | |
204 | ||
205 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg); | |
206 | twl6040_write_reg_cache(codec, reg, value); | |
207 | ||
208 | return value; | |
209 | } | |
210 | ||
211 | /* | |
212 | * write to the twl6040 register space | |
213 | */ | |
214 | static int twl6040_write(struct snd_soc_codec *codec, | |
215 | unsigned int reg, unsigned int value) | |
216 | { | |
217 | if (reg >= TWL6040_CACHEREGNUM) | |
218 | return -EIO; | |
219 | ||
220 | twl6040_write_reg_cache(codec, reg, value); | |
221 | return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); | |
222 | } | |
223 | ||
224 | static void twl6040_init_vio_regs(struct snd_soc_codec *codec) | |
225 | { | |
226 | u8 *cache = codec->reg_cache; | |
227 | int reg, i; | |
228 | ||
229 | /* allow registers to be accessed by i2c */ | |
230 | twl6040_write(codec, TWL6040_REG_ACCCTL, cache[TWL6040_REG_ACCCTL]); | |
231 | ||
232 | for (i = 0; i < TWL6040_VIOREGNUM; i++) { | |
233 | reg = twl6040_vio_reg[i]; | |
234 | /* skip read-only registers (ASICID, ASICREV, STATUS) */ | |
235 | switch (reg) { | |
236 | case TWL6040_REG_ASICID: | |
237 | case TWL6040_REG_ASICREV: | |
238 | case TWL6040_REG_STATUS: | |
239 | continue; | |
240 | default: | |
241 | break; | |
242 | } | |
243 | twl6040_write(codec, reg, cache[reg]); | |
244 | } | |
245 | } | |
246 | ||
247 | static void twl6040_init_vdd_regs(struct snd_soc_codec *codec) | |
248 | { | |
249 | u8 *cache = codec->reg_cache; | |
250 | int reg, i; | |
251 | ||
252 | for (i = 0; i < TWL6040_VDDREGNUM; i++) { | |
253 | reg = twl6040_vdd_reg[i]; | |
254 | twl6040_write(codec, reg, cache[reg]); | |
255 | } | |
256 | } | |
257 | ||
258 | /* twl6040 codec manual power-up sequence */ | |
259 | static void twl6040_power_up(struct snd_soc_codec *codec) | |
260 | { | |
261 | u8 ncpctl, ldoctl, lppllctl, accctl; | |
262 | ||
263 | ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); | |
264 | ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); | |
265 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
266 | accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); | |
267 | ||
268 | /* enable reference system */ | |
269 | ldoctl |= TWL6040_REFENA; | |
270 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
271 | msleep(10); | |
272 | /* enable internal oscillator */ | |
273 | ldoctl |= TWL6040_OSCENA; | |
274 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
275 | udelay(10); | |
276 | /* enable high-side ldo */ | |
277 | ldoctl |= TWL6040_HSLDOENA; | |
278 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
279 | udelay(244); | |
280 | /* enable negative charge pump */ | |
281 | ncpctl |= TWL6040_NCPENA | TWL6040_NCPOPEN; | |
282 | twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); | |
283 | udelay(488); | |
284 | /* enable low-side ldo */ | |
285 | ldoctl |= TWL6040_LSLDOENA; | |
286 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
287 | udelay(244); | |
288 | /* enable low-power pll */ | |
289 | lppllctl |= TWL6040_LPLLENA; | |
290 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
291 | /* reset state machine */ | |
292 | accctl |= TWL6040_RESETSPLIT; | |
293 | twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); | |
294 | mdelay(5); | |
295 | accctl &= ~TWL6040_RESETSPLIT; | |
296 | twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); | |
297 | /* disable internal oscillator */ | |
298 | ldoctl &= ~TWL6040_OSCENA; | |
299 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
300 | } | |
301 | ||
302 | /* twl6040 codec manual power-down sequence */ | |
303 | static void twl6040_power_down(struct snd_soc_codec *codec) | |
304 | { | |
305 | u8 ncpctl, ldoctl, lppllctl, accctl; | |
306 | ||
307 | ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); | |
308 | ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); | |
309 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
310 | accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); | |
311 | ||
312 | /* enable internal oscillator */ | |
313 | ldoctl |= TWL6040_OSCENA; | |
314 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
315 | udelay(10); | |
316 | /* disable low-power pll */ | |
317 | lppllctl &= ~TWL6040_LPLLENA; | |
318 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
319 | /* disable low-side ldo */ | |
320 | ldoctl &= ~TWL6040_LSLDOENA; | |
321 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
322 | udelay(244); | |
323 | /* disable negative charge pump */ | |
324 | ncpctl &= ~(TWL6040_NCPENA | TWL6040_NCPOPEN); | |
325 | twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); | |
326 | udelay(488); | |
327 | /* disable high-side ldo */ | |
328 | ldoctl &= ~TWL6040_HSLDOENA; | |
329 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
330 | udelay(244); | |
331 | /* disable internal oscillator */ | |
332 | ldoctl &= ~TWL6040_OSCENA; | |
333 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
334 | /* disable reference system */ | |
335 | ldoctl &= ~TWL6040_REFENA; | |
336 | twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); | |
337 | msleep(10); | |
338 | } | |
339 | ||
340 | /* set headset dac and driver power mode */ | |
341 | static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) | |
342 | { | |
343 | int hslctl, hsrctl; | |
344 | int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL; | |
345 | ||
346 | hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); | |
347 | hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); | |
348 | ||
349 | if (high_perf) { | |
350 | hslctl &= ~mask; | |
351 | hsrctl &= ~mask; | |
352 | } else { | |
353 | hslctl |= mask; | |
354 | hsrctl |= mask; | |
355 | } | |
356 | ||
357 | twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); | |
358 | twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
363 | static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w, | |
364 | struct snd_kcontrol *kcontrol, int event) | |
365 | { | |
366 | struct snd_soc_codec *codec = w->codec; | |
d4a8ca24 | 367 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
368 | |
369 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
370 | priv->non_lp++; | |
371 | else | |
372 | priv->non_lp--; | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
377 | /* audio interrupt handler */ | |
378 | static irqreturn_t twl6040_naudint_handler(int irq, void *data) | |
379 | { | |
380 | struct snd_soc_codec *codec = data; | |
d4a8ca24 | 381 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
382 | u8 intid; |
383 | ||
384 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID); | |
385 | ||
386 | switch (intid) { | |
387 | case TWL6040_THINT: | |
388 | dev_alert(codec->dev, "die temp over-limit detection\n"); | |
389 | break; | |
390 | case TWL6040_PLUGINT: | |
391 | case TWL6040_UNPLUGINT: | |
392 | case TWL6040_HOOKINT: | |
393 | break; | |
394 | case TWL6040_HFINT: | |
395 | dev_alert(codec->dev, "hf drivers over current detection\n"); | |
396 | break; | |
397 | case TWL6040_VIBINT: | |
398 | dev_alert(codec->dev, "vib drivers over current detection\n"); | |
399 | break; | |
400 | case TWL6040_READYINT: | |
401 | complete(&priv->ready); | |
402 | break; | |
403 | default: | |
404 | dev_err(codec->dev, "unknown audio interrupt %d\n", intid); | |
405 | break; | |
406 | } | |
407 | ||
408 | return IRQ_HANDLED; | |
409 | } | |
410 | ||
411 | /* | |
412 | * MICATT volume control: | |
413 | * from -6 to 0 dB in 6 dB steps | |
414 | */ | |
415 | static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); | |
416 | ||
417 | /* | |
418 | * MICGAIN volume control: | |
419 | * from 6 to 30 dB in 6 dB steps | |
420 | */ | |
421 | static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); | |
422 | ||
423 | /* | |
424 | * HSGAIN volume control: | |
425 | * from -30 to 0 dB in 2 dB steps | |
426 | */ | |
427 | static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); | |
428 | ||
429 | /* | |
430 | * HFGAIN volume control: | |
431 | * from -52 to 6 dB in 2 dB steps | |
432 | */ | |
433 | static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); | |
434 | ||
435 | /* Left analog microphone selection */ | |
436 | static const char *twl6040_amicl_texts[] = | |
437 | {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; | |
438 | ||
439 | /* Right analog microphone selection */ | |
440 | static const char *twl6040_amicr_texts[] = | |
441 | {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; | |
442 | ||
443 | static const struct soc_enum twl6040_enum[] = { | |
444 | SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 3, twl6040_amicl_texts), | |
445 | SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 3, twl6040_amicr_texts), | |
446 | }; | |
447 | ||
448 | static const struct snd_kcontrol_new amicl_control = | |
449 | SOC_DAPM_ENUM("Route", twl6040_enum[0]); | |
450 | ||
451 | static const struct snd_kcontrol_new amicr_control = | |
452 | SOC_DAPM_ENUM("Route", twl6040_enum[1]); | |
453 | ||
454 | /* Headset DAC playback switches */ | |
455 | static const struct snd_kcontrol_new hsdacl_switch_controls = | |
456 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSLCTL, 5, 1, 0); | |
457 | ||
458 | static const struct snd_kcontrol_new hsdacr_switch_controls = | |
459 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSRCTL, 5, 1, 0); | |
460 | ||
461 | /* Handsfree DAC playback switches */ | |
462 | static const struct snd_kcontrol_new hfdacl_switch_controls = | |
463 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 2, 1, 0); | |
464 | ||
465 | static const struct snd_kcontrol_new hfdacr_switch_controls = | |
466 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 2, 1, 0); | |
467 | ||
468 | /* Headset driver switches */ | |
469 | static const struct snd_kcontrol_new hsl_driver_switch_controls = | |
470 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSLCTL, 2, 1, 0); | |
471 | ||
472 | static const struct snd_kcontrol_new hsr_driver_switch_controls = | |
473 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSRCTL, 2, 1, 0); | |
474 | ||
475 | /* Handsfree driver switches */ | |
476 | static const struct snd_kcontrol_new hfl_driver_switch_controls = | |
477 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 4, 1, 0); | |
478 | ||
479 | static const struct snd_kcontrol_new hfr_driver_switch_controls = | |
480 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 4, 1, 0); | |
481 | ||
482 | static const struct snd_kcontrol_new twl6040_snd_controls[] = { | |
483 | /* Capture gains */ | |
484 | SOC_DOUBLE_TLV("Capture Preamplifier Volume", | |
485 | TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), | |
486 | SOC_DOUBLE_TLV("Capture Volume", | |
487 | TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), | |
488 | ||
489 | /* Playback gains */ | |
490 | SOC_DOUBLE_TLV("Headset Playback Volume", | |
491 | TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), | |
492 | SOC_DOUBLE_R_TLV("Handsfree Playback Volume", | |
493 | TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), | |
494 | ||
495 | }; | |
496 | ||
497 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { | |
498 | /* Inputs */ | |
499 | SND_SOC_DAPM_INPUT("MAINMIC"), | |
500 | SND_SOC_DAPM_INPUT("HSMIC"), | |
501 | SND_SOC_DAPM_INPUT("SUBMIC"), | |
502 | SND_SOC_DAPM_INPUT("AFML"), | |
503 | SND_SOC_DAPM_INPUT("AFMR"), | |
504 | ||
505 | /* Outputs */ | |
506 | SND_SOC_DAPM_OUTPUT("HSOL"), | |
507 | SND_SOC_DAPM_OUTPUT("HSOR"), | |
508 | SND_SOC_DAPM_OUTPUT("HFL"), | |
509 | SND_SOC_DAPM_OUTPUT("HFR"), | |
510 | ||
511 | /* Analog input muxes for the capture amplifiers */ | |
512 | SND_SOC_DAPM_MUX("Analog Left Capture Route", | |
513 | SND_SOC_NOPM, 0, 0, &amicl_control), | |
514 | SND_SOC_DAPM_MUX("Analog Right Capture Route", | |
515 | SND_SOC_NOPM, 0, 0, &amicr_control), | |
516 | ||
517 | /* Analog capture PGAs */ | |
518 | SND_SOC_DAPM_PGA("MicAmpL", | |
519 | TWL6040_REG_MICLCTL, 0, 0, NULL, 0), | |
520 | SND_SOC_DAPM_PGA("MicAmpR", | |
521 | TWL6040_REG_MICRCTL, 0, 0, NULL, 0), | |
522 | ||
523 | /* ADCs */ | |
524 | SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture", | |
525 | TWL6040_REG_MICLCTL, 2, 0), | |
526 | SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture", | |
527 | TWL6040_REG_MICRCTL, 2, 0), | |
528 | ||
529 | /* Microphone bias */ | |
530 | SND_SOC_DAPM_MICBIAS("Headset Mic Bias", | |
531 | TWL6040_REG_AMICBCTL, 0, 0), | |
532 | SND_SOC_DAPM_MICBIAS("Main Mic Bias", | |
533 | TWL6040_REG_AMICBCTL, 4, 0), | |
534 | SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias", | |
535 | TWL6040_REG_DMICBCTL, 0, 0), | |
536 | SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias", | |
537 | TWL6040_REG_DMICBCTL, 4, 0), | |
538 | ||
539 | /* DACs */ | |
540 | SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", | |
541 | TWL6040_REG_HSLCTL, 0, 0), | |
542 | SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", | |
543 | TWL6040_REG_HSRCTL, 0, 0), | |
544 | SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback", | |
545 | TWL6040_REG_HFLCTL, 0, 0, | |
546 | twl6040_power_mode_event, | |
547 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
548 | SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback", | |
549 | TWL6040_REG_HFRCTL, 0, 0, | |
550 | twl6040_power_mode_event, | |
551 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
552 | ||
553 | /* Analog playback switches */ | |
554 | SND_SOC_DAPM_SWITCH("HSDAC Left Playback", | |
555 | SND_SOC_NOPM, 0, 0, &hsdacl_switch_controls), | |
556 | SND_SOC_DAPM_SWITCH("HSDAC Right Playback", | |
557 | SND_SOC_NOPM, 0, 0, &hsdacr_switch_controls), | |
558 | SND_SOC_DAPM_SWITCH("HFDAC Left Playback", | |
559 | SND_SOC_NOPM, 0, 0, &hfdacl_switch_controls), | |
560 | SND_SOC_DAPM_SWITCH("HFDAC Right Playback", | |
561 | SND_SOC_NOPM, 0, 0, &hfdacr_switch_controls), | |
562 | ||
563 | SND_SOC_DAPM_SWITCH("Headset Left Driver", | |
564 | SND_SOC_NOPM, 0, 0, &hsl_driver_switch_controls), | |
565 | SND_SOC_DAPM_SWITCH("Headset Right Driver", | |
566 | SND_SOC_NOPM, 0, 0, &hsr_driver_switch_controls), | |
567 | SND_SOC_DAPM_SWITCH_E("Handsfree Left Driver", | |
568 | SND_SOC_NOPM, 0, 0, &hfl_driver_switch_controls, | |
569 | twl6040_power_mode_event, | |
570 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
571 | SND_SOC_DAPM_SWITCH_E("Handsfree Right Driver", | |
572 | SND_SOC_NOPM, 0, 0, &hfr_driver_switch_controls, | |
573 | twl6040_power_mode_event, | |
574 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | |
575 | ||
576 | /* Analog playback PGAs */ | |
577 | SND_SOC_DAPM_PGA("HFDAC Left PGA", | |
578 | TWL6040_REG_HFLCTL, 1, 0, NULL, 0), | |
579 | SND_SOC_DAPM_PGA("HFDAC Right PGA", | |
580 | TWL6040_REG_HFRCTL, 1, 0, NULL, 0), | |
581 | ||
582 | }; | |
583 | ||
584 | static const struct snd_soc_dapm_route intercon[] = { | |
585 | /* Capture path */ | |
586 | {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, | |
587 | {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, | |
588 | {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, | |
589 | ||
590 | {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, | |
591 | {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, | |
592 | {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, | |
593 | ||
594 | {"MicAmpL", NULL, "Analog Left Capture Route"}, | |
595 | {"MicAmpR", NULL, "Analog Right Capture Route"}, | |
596 | ||
597 | {"ADC Left", NULL, "MicAmpL"}, | |
598 | {"ADC Right", NULL, "MicAmpR"}, | |
599 | ||
600 | /* Headset playback path */ | |
601 | {"HSDAC Left Playback", "Switch", "HSDAC Left"}, | |
602 | {"HSDAC Right Playback", "Switch", "HSDAC Right"}, | |
603 | ||
604 | {"Headset Left Driver", "Switch", "HSDAC Left Playback"}, | |
605 | {"Headset Right Driver", "Switch", "HSDAC Right Playback"}, | |
606 | ||
607 | {"HSOL", NULL, "Headset Left Driver"}, | |
608 | {"HSOR", NULL, "Headset Right Driver"}, | |
609 | ||
610 | /* Handsfree playback path */ | |
611 | {"HFDAC Left Playback", "Switch", "HFDAC Left"}, | |
612 | {"HFDAC Right Playback", "Switch", "HFDAC Right"}, | |
613 | ||
614 | {"HFDAC Left PGA", NULL, "HFDAC Left Playback"}, | |
615 | {"HFDAC Right PGA", NULL, "HFDAC Right Playback"}, | |
616 | ||
617 | {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"}, | |
618 | {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"}, | |
619 | ||
620 | {"HFL", NULL, "Handsfree Left Driver"}, | |
621 | {"HFR", NULL, "Handsfree Right Driver"}, | |
622 | }; | |
623 | ||
624 | static int twl6040_add_widgets(struct snd_soc_codec *codec) | |
625 | { | |
626 | snd_soc_dapm_new_controls(codec, twl6040_dapm_widgets, | |
627 | ARRAY_SIZE(twl6040_dapm_widgets)); | |
628 | ||
629 | snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); | |
630 | ||
631 | snd_soc_dapm_new_widgets(codec); | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
636 | static int twl6040_power_up_completion(struct snd_soc_codec *codec, | |
637 | int naudint) | |
638 | { | |
d4a8ca24 | 639 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
640 | int time_left; |
641 | u8 intid; | |
642 | ||
643 | time_left = wait_for_completion_timeout(&priv->ready, | |
644 | msecs_to_jiffies(48)); | |
645 | ||
646 | if (!time_left) { | |
647 | twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, | |
648 | TWL6040_REG_INTID); | |
649 | if (!(intid & TWL6040_READYINT)) { | |
650 | dev_err(codec->dev, "timeout waiting for READYINT\n"); | |
651 | return -ETIMEDOUT; | |
652 | } | |
653 | } | |
654 | ||
655 | priv->codec_powered = 1; | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
660 | static int twl6040_set_bias_level(struct snd_soc_codec *codec, | |
661 | enum snd_soc_bias_level level) | |
662 | { | |
d4a8ca24 | 663 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
664 | int audpwron = priv->audpwron; |
665 | int naudint = priv->naudint; | |
666 | int ret; | |
667 | ||
668 | switch (level) { | |
669 | case SND_SOC_BIAS_ON: | |
670 | break; | |
671 | case SND_SOC_BIAS_PREPARE: | |
672 | break; | |
673 | case SND_SOC_BIAS_STANDBY: | |
674 | if (priv->codec_powered) | |
675 | break; | |
676 | ||
677 | if (gpio_is_valid(audpwron)) { | |
678 | /* use AUDPWRON line */ | |
679 | gpio_set_value(audpwron, 1); | |
680 | ||
681 | /* wait for power-up completion */ | |
682 | ret = twl6040_power_up_completion(codec, naudint); | |
683 | if (ret) | |
684 | return ret; | |
685 | ||
686 | /* sync registers updated during power-up sequence */ | |
687 | twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); | |
688 | twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); | |
689 | twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL); | |
690 | } else { | |
691 | /* use manual power-up sequence */ | |
692 | twl6040_power_up(codec); | |
693 | priv->codec_powered = 1; | |
694 | } | |
695 | ||
696 | /* initialize vdd/vss registers with reg_cache */ | |
697 | twl6040_init_vdd_regs(codec); | |
698 | break; | |
699 | case SND_SOC_BIAS_OFF: | |
700 | if (!priv->codec_powered) | |
701 | break; | |
702 | ||
703 | if (gpio_is_valid(audpwron)) { | |
704 | /* use AUDPWRON line */ | |
705 | gpio_set_value(audpwron, 0); | |
706 | ||
707 | /* power-down sequence latency */ | |
708 | udelay(500); | |
709 | ||
710 | /* sync registers updated during power-down sequence */ | |
711 | twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); | |
712 | twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); | |
713 | twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL, | |
714 | 0x00); | |
715 | } else { | |
716 | /* use manual power-down sequence */ | |
717 | twl6040_power_down(codec); | |
718 | } | |
719 | ||
720 | priv->codec_powered = 0; | |
721 | break; | |
722 | } | |
723 | ||
724 | codec->bias_level = level; | |
725 | ||
726 | return 0; | |
727 | } | |
728 | ||
729 | /* set of rates for each pll: low-power and high-performance */ | |
730 | ||
731 | static unsigned int lp_rates[] = { | |
732 | 88200, | |
733 | 96000, | |
734 | }; | |
735 | ||
736 | static struct snd_pcm_hw_constraint_list lp_constraints = { | |
737 | .count = ARRAY_SIZE(lp_rates), | |
738 | .list = lp_rates, | |
739 | }; | |
740 | ||
741 | static unsigned int hp_rates[] = { | |
742 | 96000, | |
743 | }; | |
744 | ||
745 | static struct snd_pcm_hw_constraint_list hp_constraints = { | |
746 | .count = ARRAY_SIZE(hp_rates), | |
747 | .list = hp_rates, | |
748 | }; | |
749 | ||
750 | static int twl6040_startup(struct snd_pcm_substream *substream, | |
751 | struct snd_soc_dai *dai) | |
752 | { | |
753 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
754 | struct snd_soc_device *socdev = rtd->socdev; | |
755 | struct snd_soc_codec *codec = socdev->card->codec; | |
d4a8ca24 | 756 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
757 | |
758 | if (!priv->sysclk) { | |
759 | dev_err(codec->dev, | |
760 | "no mclk configured, call set_sysclk() on init\n"); | |
761 | return -EINVAL; | |
762 | } | |
763 | ||
764 | /* | |
765 | * capture is not supported at 17.64 MHz, | |
766 | * it's reserved for headset low-power playback scenario | |
767 | */ | |
768 | if ((priv->sysclk == 17640000) && substream->stream) { | |
769 | dev_err(codec->dev, | |
770 | "capture mode is not supported at %dHz\n", | |
771 | priv->sysclk); | |
772 | return -EINVAL; | |
773 | } | |
774 | ||
775 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
776 | SNDRV_PCM_HW_PARAM_RATE, | |
777 | priv->sysclk_constraints); | |
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
782 | static int twl6040_hw_params(struct snd_pcm_substream *substream, | |
783 | struct snd_pcm_hw_params *params, | |
784 | struct snd_soc_dai *dai) | |
785 | { | |
786 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
787 | struct snd_soc_device *socdev = rtd->socdev; | |
788 | struct snd_soc_codec *codec = socdev->card->codec; | |
d4a8ca24 | 789 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
790 | u8 lppllctl; |
791 | int rate; | |
792 | ||
793 | /* nothing to do for high-perf pll, it supports only 48 kHz */ | |
794 | if (priv->pll == TWL6040_HPPLL_ID) | |
795 | return 0; | |
796 | ||
797 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
798 | ||
799 | rate = params_rate(params); | |
800 | switch (rate) { | |
801 | case 88200: | |
802 | lppllctl |= TWL6040_LPLLFIN; | |
803 | priv->sysclk = 17640000; | |
804 | break; | |
805 | case 96000: | |
806 | lppllctl &= ~TWL6040_LPLLFIN; | |
807 | priv->sysclk = 19200000; | |
808 | break; | |
809 | default: | |
810 | dev_err(codec->dev, "unsupported rate %d\n", rate); | |
811 | return -EINVAL; | |
812 | } | |
813 | ||
814 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
819 | static int twl6040_trigger(struct snd_pcm_substream *substream, | |
820 | int cmd, struct snd_soc_dai *dai) | |
821 | { | |
822 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
823 | struct snd_soc_device *socdev = rtd->socdev; | |
824 | struct snd_soc_codec *codec = socdev->card->codec; | |
d4a8ca24 | 825 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
826 | |
827 | switch (cmd) { | |
828 | case SNDRV_PCM_TRIGGER_START: | |
829 | case SNDRV_PCM_TRIGGER_RESUME: | |
830 | /* | |
831 | * low-power playback mode is restricted | |
832 | * for headset path only | |
833 | */ | |
834 | if ((priv->sysclk == 17640000) && priv->non_lp) { | |
835 | dev_err(codec->dev, | |
836 | "some enabled paths aren't supported at %dHz\n", | |
837 | priv->sysclk); | |
838 | return -EPERM; | |
839 | } | |
840 | break; | |
841 | default: | |
842 | break; | |
843 | } | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
848 | static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
849 | int clk_id, unsigned int freq, int dir) | |
850 | { | |
851 | struct snd_soc_codec *codec = codec_dai->codec; | |
d4a8ca24 | 852 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
8ecbabd9 MLC |
853 | u8 hppllctl, lppllctl; |
854 | ||
855 | hppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_HPPLLCTL); | |
856 | lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); | |
857 | ||
858 | switch (clk_id) { | |
859 | case TWL6040_SYSCLK_SEL_LPPLL: | |
860 | switch (freq) { | |
861 | case 32768: | |
862 | /* headset dac and driver must be in low-power mode */ | |
863 | headset_power_mode(codec, 0); | |
864 | ||
865 | /* clk32k input requires low-power pll */ | |
866 | lppllctl |= TWL6040_LPLLENA; | |
867 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
868 | mdelay(5); | |
869 | lppllctl &= ~TWL6040_HPLLSEL; | |
870 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
871 | hppllctl &= ~TWL6040_HPLLENA; | |
872 | twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); | |
873 | break; | |
874 | default: | |
875 | dev_err(codec->dev, "unknown mclk freq %d\n", freq); | |
876 | return -EINVAL; | |
877 | } | |
878 | ||
879 | /* lppll divider */ | |
880 | switch (priv->sysclk) { | |
881 | case 17640000: | |
882 | lppllctl |= TWL6040_LPLLFIN; | |
883 | break; | |
884 | case 19200000: | |
885 | lppllctl &= ~TWL6040_LPLLFIN; | |
886 | break; | |
887 | default: | |
888 | /* sysclk not yet configured */ | |
889 | lppllctl &= ~TWL6040_LPLLFIN; | |
890 | priv->sysclk = 19200000; | |
891 | break; | |
892 | } | |
893 | ||
894 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
895 | ||
896 | priv->pll = TWL6040_LPPLL_ID; | |
897 | priv->sysclk_constraints = &lp_constraints; | |
898 | break; | |
899 | case TWL6040_SYSCLK_SEL_HPPLL: | |
900 | hppllctl &= ~TWL6040_MCLK_MSK; | |
901 | ||
902 | switch (freq) { | |
903 | case 12000000: | |
904 | /* mclk input, pll enabled */ | |
905 | hppllctl |= TWL6040_MCLK_12000KHZ | | |
906 | TWL6040_HPLLSQRBP | | |
907 | TWL6040_HPLLENA; | |
908 | break; | |
909 | case 19200000: | |
910 | /* mclk input, pll disabled */ | |
911 | hppllctl |= TWL6040_MCLK_19200KHZ | | |
912 | TWL6040_HPLLSQRBP | | |
913 | TWL6040_HPLLBP; | |
914 | break; | |
915 | case 26000000: | |
916 | /* mclk input, pll enabled */ | |
917 | hppllctl |= TWL6040_MCLK_26000KHZ | | |
918 | TWL6040_HPLLSQRBP | | |
919 | TWL6040_HPLLENA; | |
920 | break; | |
921 | case 38400000: | |
922 | /* clk slicer, pll disabled */ | |
923 | hppllctl |= TWL6040_MCLK_38400KHZ | | |
924 | TWL6040_HPLLSQRENA | | |
925 | TWL6040_HPLLBP; | |
926 | break; | |
927 | default: | |
928 | dev_err(codec->dev, "unknown mclk freq %d\n", freq); | |
929 | return -EINVAL; | |
930 | } | |
931 | ||
932 | /* headset dac and driver must be in high-performance mode */ | |
933 | headset_power_mode(codec, 1); | |
934 | ||
935 | twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); | |
936 | udelay(500); | |
937 | lppllctl |= TWL6040_HPLLSEL; | |
938 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
939 | lppllctl &= ~TWL6040_LPLLENA; | |
940 | twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); | |
941 | ||
942 | /* high-performance pll can provide only 19.2 MHz */ | |
943 | priv->pll = TWL6040_HPPLL_ID; | |
944 | priv->sysclk = 19200000; | |
945 | priv->sysclk_constraints = &hp_constraints; | |
946 | break; | |
947 | default: | |
948 | dev_err(codec->dev, "unknown clk_id %d\n", clk_id); | |
949 | return -EINVAL; | |
950 | } | |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
955 | static struct snd_soc_dai_ops twl6040_dai_ops = { | |
956 | .startup = twl6040_startup, | |
957 | .hw_params = twl6040_hw_params, | |
958 | .trigger = twl6040_trigger, | |
959 | .set_sysclk = twl6040_set_dai_sysclk, | |
960 | }; | |
961 | ||
962 | struct snd_soc_dai twl6040_dai = { | |
963 | .name = "twl6040", | |
964 | .playback = { | |
965 | .stream_name = "Playback", | |
966 | .channels_min = 1, | |
967 | .channels_max = 4, | |
968 | .rates = TWL6040_RATES, | |
969 | .formats = TWL6040_FORMATS, | |
970 | }, | |
971 | .capture = { | |
972 | .stream_name = "Capture", | |
973 | .channels_min = 1, | |
974 | .channels_max = 2, | |
975 | .rates = TWL6040_RATES, | |
976 | .formats = TWL6040_FORMATS, | |
977 | }, | |
978 | .ops = &twl6040_dai_ops, | |
979 | }; | |
980 | EXPORT_SYMBOL_GPL(twl6040_dai); | |
981 | ||
982 | #ifdef CONFIG_PM | |
983 | static int twl6040_suspend(struct platform_device *pdev, pm_message_t state) | |
984 | { | |
985 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
986 | struct snd_soc_codec *codec = socdev->card->codec; | |
987 | ||
988 | twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
993 | static int twl6040_resume(struct platform_device *pdev) | |
994 | { | |
995 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
996 | struct snd_soc_codec *codec = socdev->card->codec; | |
997 | ||
998 | twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
8ecbabd9 MLC |
999 | |
1000 | return 0; | |
1001 | } | |
1002 | #else | |
1003 | #define twl6040_suspend NULL | |
1004 | #define twl6040_resume NULL | |
1005 | #endif | |
1006 | ||
1007 | static struct snd_soc_codec *twl6040_codec; | |
1008 | ||
1009 | static int twl6040_probe(struct platform_device *pdev) | |
1010 | { | |
1011 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1012 | struct snd_soc_codec *codec; | |
1013 | int ret = 0; | |
1014 | ||
1015 | BUG_ON(!twl6040_codec); | |
1016 | ||
1017 | codec = twl6040_codec; | |
1018 | socdev->card->codec = codec; | |
1019 | ||
1020 | /* register pcms */ | |
1021 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
1022 | if (ret < 0) { | |
1023 | dev_err(&pdev->dev, "failed to create pcms\n"); | |
1024 | return ret; | |
1025 | } | |
1026 | ||
1027 | snd_soc_add_controls(codec, twl6040_snd_controls, | |
1028 | ARRAY_SIZE(twl6040_snd_controls)); | |
1029 | twl6040_add_widgets(codec); | |
1030 | ||
1031 | if (ret < 0) { | |
1032 | dev_err(&pdev->dev, "failed to register card\n"); | |
1033 | goto card_err; | |
1034 | } | |
1035 | ||
1036 | return ret; | |
1037 | ||
1038 | card_err: | |
1039 | snd_soc_free_pcms(socdev); | |
1040 | snd_soc_dapm_free(socdev); | |
1041 | return ret; | |
1042 | } | |
1043 | ||
1044 | static int twl6040_remove(struct platform_device *pdev) | |
1045 | { | |
1046 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1047 | struct snd_soc_codec *codec = socdev->card->codec; | |
1048 | ||
1049 | twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1050 | snd_soc_free_pcms(socdev); | |
1051 | snd_soc_dapm_free(socdev); | |
1052 | kfree(codec); | |
1053 | ||
1054 | return 0; | |
1055 | } | |
1056 | ||
1057 | struct snd_soc_codec_device soc_codec_dev_twl6040 = { | |
1058 | .probe = twl6040_probe, | |
1059 | .remove = twl6040_remove, | |
1060 | .suspend = twl6040_suspend, | |
1061 | .resume = twl6040_resume, | |
1062 | }; | |
1063 | EXPORT_SYMBOL_GPL(soc_codec_dev_twl6040); | |
1064 | ||
1065 | static int __devinit twl6040_codec_probe(struct platform_device *pdev) | |
1066 | { | |
1067 | struct twl4030_codec_data *twl_codec = pdev->dev.platform_data; | |
1068 | struct snd_soc_codec *codec; | |
1069 | struct twl6040_data *priv; | |
1070 | int audpwron, naudint; | |
1071 | int ret = 0; | |
1072 | ||
1073 | priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); | |
1074 | if (priv == NULL) | |
1075 | return -ENOMEM; | |
1076 | ||
1077 | if (twl_codec) { | |
1078 | audpwron = twl_codec->audpwron_gpio; | |
1079 | naudint = twl_codec->naudint_irq; | |
1080 | } else { | |
1081 | audpwron = -EINVAL; | |
1082 | naudint = 0; | |
1083 | } | |
1084 | ||
1085 | priv->audpwron = audpwron; | |
1086 | priv->naudint = naudint; | |
1087 | ||
1088 | codec = &priv->codec; | |
1089 | codec->dev = &pdev->dev; | |
1090 | twl6040_dai.dev = &pdev->dev; | |
1091 | ||
1092 | codec->name = "twl6040"; | |
1093 | codec->owner = THIS_MODULE; | |
1094 | codec->read = twl6040_read_reg_cache; | |
1095 | codec->write = twl6040_write; | |
1096 | codec->set_bias_level = twl6040_set_bias_level; | |
d4a8ca24 | 1097 | snd_soc_codec_set_drvdata(codec, priv); |
8ecbabd9 MLC |
1098 | codec->dai = &twl6040_dai; |
1099 | codec->num_dai = 1; | |
1100 | codec->reg_cache_size = ARRAY_SIZE(twl6040_reg); | |
1101 | codec->reg_cache = kmemdup(twl6040_reg, sizeof(twl6040_reg), | |
1102 | GFP_KERNEL); | |
1103 | if (codec->reg_cache == NULL) { | |
1104 | ret = -ENOMEM; | |
1105 | goto cache_err; | |
1106 | } | |
1107 | ||
1108 | mutex_init(&codec->mutex); | |
1109 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1110 | INIT_LIST_HEAD(&codec->dapm_paths); | |
1111 | init_completion(&priv->ready); | |
1112 | ||
1113 | if (gpio_is_valid(audpwron)) { | |
1114 | ret = gpio_request(audpwron, "audpwron"); | |
1115 | if (ret) | |
1116 | goto gpio1_err; | |
1117 | ||
1118 | ret = gpio_direction_output(audpwron, 0); | |
1119 | if (ret) | |
1120 | goto gpio2_err; | |
1121 | ||
1122 | priv->codec_powered = 0; | |
1123 | } | |
1124 | ||
1125 | if (naudint) { | |
1126 | /* audio interrupt */ | |
1127 | ret = request_threaded_irq(naudint, NULL, | |
1128 | twl6040_naudint_handler, | |
1129 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, | |
1130 | "twl6040_codec", codec); | |
1131 | if (ret) | |
1132 | goto gpio2_err; | |
1133 | } else { | |
1134 | if (gpio_is_valid(audpwron)) { | |
1135 | /* enable only codec ready interrupt */ | |
1136 | twl6040_write_reg_cache(codec, TWL6040_REG_INTMR, | |
1137 | ~TWL6040_READYMSK & TWL6040_ALLINT_MSK); | |
1138 | } else { | |
1139 | /* no interrupts at all */ | |
1140 | twl6040_write_reg_cache(codec, TWL6040_REG_INTMR, | |
1141 | TWL6040_ALLINT_MSK); | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | /* init vio registers */ | |
1146 | twl6040_init_vio_regs(codec); | |
1147 | ||
1148 | /* power on device */ | |
1149 | ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1150 | if (ret) | |
1151 | goto irq_err; | |
1152 | ||
1153 | ret = snd_soc_register_codec(codec); | |
1154 | if (ret) | |
1155 | goto reg_err; | |
1156 | ||
1157 | twl6040_codec = codec; | |
1158 | ||
1159 | ret = snd_soc_register_dai(&twl6040_dai); | |
1160 | if (ret) | |
1161 | goto dai_err; | |
1162 | ||
1163 | return 0; | |
1164 | ||
1165 | dai_err: | |
1166 | snd_soc_unregister_codec(codec); | |
1167 | twl6040_codec = NULL; | |
1168 | reg_err: | |
1169 | twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1170 | irq_err: | |
1171 | if (naudint) | |
1172 | free_irq(naudint, codec); | |
1173 | gpio2_err: | |
1174 | if (gpio_is_valid(audpwron)) | |
1175 | gpio_free(audpwron); | |
1176 | gpio1_err: | |
1177 | kfree(codec->reg_cache); | |
1178 | cache_err: | |
1179 | kfree(priv); | |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | static int __devexit twl6040_codec_remove(struct platform_device *pdev) | |
1184 | { | |
d4a8ca24 | 1185 | struct twl6040_data *priv = snd_soc_codec_get_drvdata(twl6040_codec); |
8ecbabd9 MLC |
1186 | int audpwron = priv->audpwron; |
1187 | int naudint = priv->naudint; | |
1188 | ||
1189 | if (gpio_is_valid(audpwron)) | |
1190 | gpio_free(audpwron); | |
1191 | ||
1192 | if (naudint) | |
1193 | free_irq(naudint, twl6040_codec); | |
1194 | ||
1195 | snd_soc_unregister_dai(&twl6040_dai); | |
1196 | snd_soc_unregister_codec(twl6040_codec); | |
1197 | ||
1198 | kfree(twl6040_codec); | |
1199 | twl6040_codec = NULL; | |
1200 | ||
1201 | return 0; | |
1202 | } | |
1203 | ||
1204 | static struct platform_driver twl6040_codec_driver = { | |
1205 | .driver = { | |
1206 | .name = "twl6040_codec", | |
1207 | .owner = THIS_MODULE, | |
1208 | }, | |
1209 | .probe = twl6040_codec_probe, | |
1210 | .remove = __devexit_p(twl6040_codec_remove), | |
1211 | }; | |
1212 | ||
1213 | static int __init twl6040_codec_init(void) | |
1214 | { | |
1215 | return platform_driver_register(&twl6040_codec_driver); | |
1216 | } | |
1217 | module_init(twl6040_codec_init); | |
1218 | ||
1219 | static void __exit twl6040_codec_exit(void) | |
1220 | { | |
1221 | platform_driver_unregister(&twl6040_codec_driver); | |
1222 | } | |
1223 | module_exit(twl6040_codec_exit); | |
1224 | ||
1225 | MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); | |
1226 | MODULE_AUTHOR("Misael Lopez Cruz"); | |
1227 | MODULE_LICENSE("GPL"); |