1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * ALSA SoC TLV320AIC23 codec driver |
4 | * |
5 | * Author: Arun KS, <arunks@mistralsolutions.com> |
6 | * Copyright: (C) 2008 Mistral Solutions Pvt Ltd., |
7 | * |
8 | * Based on sound/soc/codecs/wm8731.c by Richard Purdie |
9 | * |
10 | * Notes: |
11 | * The AIC23 is a driver for a low power stereo audio |
12 | * codec tlv320aic23 |
13 | * |
14 | * The machine layer should disable unsupported inputs/outputs by |
15 | * snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc. |
16 | */ |
17 | |
18 | #include <linux/module.h> |
19 | #include <linux/moduleparam.h> |
20 | #include <linux/init.h> |
21 | #include <linux/delay.h> |
22 | #include <linux/pm.h> |
23 | #include <linux/regmap.h> |
24 | #include <linux/slab.h> |
25 | #include <sound/core.h> |
26 | #include <sound/pcm.h> |
27 | #include <sound/pcm_params.h> |
28 | #include <sound/soc.h> |
29 | #include <sound/tlv.h> |
30 | #include <sound/initval.h> |
31 | |
32 | #include "tlv320aic23.h" |
33 | |
34 | /* |
35 | * AIC23 register cache |
36 | */ |
37 | static const struct reg_default tlv320aic23_reg[] = { |
38 | { 0, 0x0097 }, |
39 | { 1, 0x0097 }, |
40 | { 2, 0x00F9 }, |
41 | { 3, 0x00F9 }, |
42 | { 4, 0x001A }, |
43 | { 5, 0x0004 }, |
44 | { 6, 0x0007 }, |
45 | { 7, 0x0001 }, |
46 | { 8, 0x0020 }, |
47 | { 9, 0x0000 }, |
48 | }; |
49 | |
50 | const struct regmap_config tlv320aic23_regmap = { |
51 | .reg_bits = 7, |
52 | .val_bits = 9, |
53 | |
54 | .max_register = TLV320AIC23_RESET, |
55 | .reg_defaults = tlv320aic23_reg, |
56 | .num_reg_defaults = ARRAY_SIZE(tlv320aic23_reg), |
57 | .cache_type = REGCACHE_RBTREE, |
58 | }; |
59 | EXPORT_SYMBOL(tlv320aic23_regmap); |
60 | |
61 | static const char *rec_src_text[] = { "Line" , "Mic" }; |
62 | static const char *deemph_text[] = {"None" , "32Khz" , "44.1Khz" , "48Khz" }; |
63 | |
64 | static SOC_ENUM_SINGLE_DECL(rec_src_enum, |
65 | TLV320AIC23_ANLG, 2, rec_src_text); |
66 | |
67 | static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls = |
68 | SOC_DAPM_ENUM("Input Select" , rec_src_enum); |
69 | |
70 | static SOC_ENUM_SINGLE_DECL(tlv320aic23_deemph, |
71 | TLV320AIC23_DIGT, 1, deemph_text); |
72 | |
73 | static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); |
74 | static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); |
75 | static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0); |
76 | |
77 | static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol, |
78 | struct snd_ctl_elem_value *ucontrol) |
79 | { |
80 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
81 | u16 val, reg; |
82 | |
83 | val = (ucontrol->value.integer.value[0] & 0x07); |
84 | |
85 | /* linear conversion to userspace |
86 | * 000 = -6db |
87 | * 001 = -9db |
88 | * 010 = -12db |
89 | * 011 = -18db (Min) |
90 | * 100 = 0db (Max) |
91 | */ |
92 | val = (val >= 4) ? 4 : (3 - val); |
93 | |
94 | reg = snd_soc_component_read(component, TLV320AIC23_ANLG) & (~0x1C0); |
95 | snd_soc_component_write(component, TLV320AIC23_ANLG, val: reg | (val << 6)); |
96 | |
97 | return 0; |
98 | } |
99 | |
100 | static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol, |
101 | struct snd_ctl_elem_value *ucontrol) |
102 | { |
103 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
104 | u16 val; |
105 | |
106 | val = snd_soc_component_read(component, TLV320AIC23_ANLG) & (0x1C0); |
107 | val = val >> 6; |
108 | val = (val >= 4) ? 4 : (3 - val); |
109 | ucontrol->value.integer.value[0] = val; |
110 | return 0; |
111 | |
112 | } |
113 | |
114 | static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { |
115 | SOC_DOUBLE_R_TLV("Digital Playback Volume" , TLV320AIC23_LCHNVOL, |
116 | TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv), |
117 | SOC_SINGLE("Digital Playback Switch" , TLV320AIC23_DIGT, 3, 1, 1), |
118 | SOC_DOUBLE_R("Line Input Switch" , TLV320AIC23_LINVOL, |
119 | TLV320AIC23_RINVOL, 7, 1, 0), |
120 | SOC_DOUBLE_R_TLV("Line Input Volume" , TLV320AIC23_LINVOL, |
121 | TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), |
122 | SOC_SINGLE("Mic Input Switch" , TLV320AIC23_ANLG, 1, 1, 1), |
123 | SOC_SINGLE("Mic Booster Switch" , TLV320AIC23_ANLG, 0, 1, 0), |
124 | SOC_SINGLE_EXT_TLV("Sidetone Volume" , TLV320AIC23_ANLG, 6, 4, 0, |
125 | snd_soc_tlv320aic23_get_volsw, |
126 | snd_soc_tlv320aic23_put_volsw, sidetone_vol_tlv), |
127 | SOC_ENUM("Playback De-emphasis" , tlv320aic23_deemph), |
128 | }; |
129 | |
130 | /* PGA Mixer controls for Line and Mic switch */ |
131 | static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = { |
132 | SOC_DAPM_SINGLE("Line Bypass Switch" , TLV320AIC23_ANLG, 3, 1, 0), |
133 | SOC_DAPM_SINGLE("Mic Sidetone Switch" , TLV320AIC23_ANLG, 5, 1, 0), |
134 | SOC_DAPM_SINGLE("Playback Switch" , TLV320AIC23_ANLG, 4, 1, 0), |
135 | }; |
136 | |
137 | static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { |
138 | SND_SOC_DAPM_DAC("DAC" , "Playback" , TLV320AIC23_PWR, 3, 1), |
139 | SND_SOC_DAPM_ADC("ADC" , "Capture" , TLV320AIC23_PWR, 2, 1), |
140 | SND_SOC_DAPM_MUX("Capture Source" , SND_SOC_NOPM, 0, 0, |
141 | &tlv320aic23_rec_src_mux_controls), |
142 | SND_SOC_DAPM_MIXER("Output Mixer" , TLV320AIC23_PWR, 4, 1, |
143 | &tlv320aic23_output_mixer_controls[0], |
144 | ARRAY_SIZE(tlv320aic23_output_mixer_controls)), |
145 | SND_SOC_DAPM_PGA("Line Input" , TLV320AIC23_PWR, 0, 1, NULL, 0), |
146 | SND_SOC_DAPM_PGA("Mic Input" , TLV320AIC23_PWR, 1, 1, NULL, 0), |
147 | |
148 | SND_SOC_DAPM_OUTPUT("LHPOUT" ), |
149 | SND_SOC_DAPM_OUTPUT("RHPOUT" ), |
150 | SND_SOC_DAPM_OUTPUT("LOUT" ), |
151 | SND_SOC_DAPM_OUTPUT("ROUT" ), |
152 | |
153 | SND_SOC_DAPM_INPUT("LLINEIN" ), |
154 | SND_SOC_DAPM_INPUT("RLINEIN" ), |
155 | |
156 | SND_SOC_DAPM_INPUT("MICIN" ), |
157 | }; |
158 | |
159 | static const struct snd_soc_dapm_route tlv320aic23_intercon[] = { |
160 | /* Output Mixer */ |
161 | {"Output Mixer" , "Line Bypass Switch" , "Line Input" }, |
162 | {"Output Mixer" , "Playback Switch" , "DAC" }, |
163 | {"Output Mixer" , "Mic Sidetone Switch" , "Mic Input" }, |
164 | |
165 | /* Outputs */ |
166 | {"RHPOUT" , NULL, "Output Mixer" }, |
167 | {"LHPOUT" , NULL, "Output Mixer" }, |
168 | {"LOUT" , NULL, "Output Mixer" }, |
169 | {"ROUT" , NULL, "Output Mixer" }, |
170 | |
171 | /* Inputs */ |
172 | {"Line Input" , NULL, "LLINEIN" }, |
173 | {"Line Input" , NULL, "RLINEIN" }, |
174 | {"Mic Input" , NULL, "MICIN" }, |
175 | |
176 | /* input mux */ |
177 | {"Capture Source" , "Line" , "Line Input" }, |
178 | {"Capture Source" , "Mic" , "Mic Input" }, |
179 | {"ADC" , NULL, "Capture Source" }, |
180 | |
181 | }; |
182 | |
183 | /* AIC23 driver data */ |
184 | struct aic23 { |
185 | struct regmap *regmap; |
186 | int mclk; |
187 | int requested_adc; |
188 | int requested_dac; |
189 | }; |
190 | |
191 | /* |
192 | * Common Crystals used |
193 | * 11.2896 Mhz /128 = *88.2k /192 = 58.8k |
194 | * 12.0000 Mhz /125 = *96k /136 = 88.235K |
195 | * 12.2880 Mhz /128 = *96k /192 = 64k |
196 | * 16.9344 Mhz /128 = 132.3k /192 = *88.2k |
197 | * 18.4320 Mhz /128 = 144k /192 = *96k |
198 | */ |
199 | |
200 | /* |
201 | * Normal BOSR 0-256/2 = 128, 1-384/2 = 192 |
202 | * USB BOSR 0-250/2 = 125, 1-272/2 = 136 |
203 | */ |
204 | static const int bosr_usb_divisor_table[] = { |
205 | 128, 125, 192, 136 |
206 | }; |
207 | #define LOWER_GROUP ((1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<6) | (1<<7)) |
208 | #define UPPER_GROUP ((1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<15)) |
209 | static const unsigned short sr_valid_mask[] = { |
210 | LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 0*/ |
211 | LOWER_GROUP, /* Usb, bosr - 0*/ |
212 | LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 1*/ |
213 | UPPER_GROUP, /* Usb, bosr - 1*/ |
214 | }; |
215 | /* |
216 | * Every divisor is a factor of 11*12 |
217 | */ |
218 | #define SR_MULT (11*12) |
219 | #define A(x) (SR_MULT/x) |
220 | static const unsigned char sr_adc_mult_table[] = { |
221 | A(2), A(2), A(12), A(12), 0, 0, A(3), A(1), |
222 | A(2), A(2), A(11), A(11), 0, 0, 0, A(1) |
223 | }; |
224 | static const unsigned char sr_dac_mult_table[] = { |
225 | A(2), A(12), A(2), A(12), 0, 0, A(3), A(1), |
226 | A(2), A(11), A(2), A(11), 0, 0, 0, A(1) |
227 | }; |
228 | |
229 | static unsigned get_score(int adc, int adc_l, int adc_h, int need_adc, |
230 | int dac, int dac_l, int dac_h, int need_dac) |
231 | { |
232 | if ((adc >= adc_l) && (adc <= adc_h) && |
233 | (dac >= dac_l) && (dac <= dac_h)) { |
234 | int diff_adc = need_adc - adc; |
235 | int diff_dac = need_dac - dac; |
236 | return abs(diff_adc) + abs(diff_dac); |
237 | } |
238 | return UINT_MAX; |
239 | } |
240 | |
241 | static int find_rate(int mclk, u32 need_adc, u32 need_dac) |
242 | { |
243 | int i, j; |
244 | int best_i = -1; |
245 | int best_j = -1; |
246 | int best_div = 0; |
247 | unsigned best_score = UINT_MAX; |
248 | int adc_l, adc_h, dac_l, dac_h; |
249 | |
250 | need_adc *= SR_MULT; |
251 | need_dac *= SR_MULT; |
252 | /* |
253 | * rates given are +/- 1/32 |
254 | */ |
255 | adc_l = need_adc - (need_adc >> 5); |
256 | adc_h = need_adc + (need_adc >> 5); |
257 | dac_l = need_dac - (need_dac >> 5); |
258 | dac_h = need_dac + (need_dac >> 5); |
259 | for (i = 0; i < ARRAY_SIZE(bosr_usb_divisor_table); i++) { |
260 | int base = mclk / bosr_usb_divisor_table[i]; |
261 | int mask = sr_valid_mask[i]; |
262 | for (j = 0; j < ARRAY_SIZE(sr_adc_mult_table); |
263 | j++, mask >>= 1) { |
264 | int adc; |
265 | int dac; |
266 | int score; |
267 | if ((mask & 1) == 0) |
268 | continue; |
269 | adc = base * sr_adc_mult_table[j]; |
270 | dac = base * sr_dac_mult_table[j]; |
271 | score = get_score(adc, adc_l, adc_h, need_adc, |
272 | dac, dac_l, dac_h, need_dac); |
273 | if (best_score > score) { |
274 | best_score = score; |
275 | best_i = i; |
276 | best_j = j; |
277 | best_div = 0; |
278 | } |
279 | score = get_score(adc: (adc >> 1), adc_l, adc_h, need_adc, |
280 | dac: (dac >> 1), dac_l, dac_h, need_dac); |
281 | /* prefer to have a /2 */ |
282 | if ((score != UINT_MAX) && (best_score >= score)) { |
283 | best_score = score; |
284 | best_i = i; |
285 | best_j = j; |
286 | best_div = 1; |
287 | } |
288 | } |
289 | } |
290 | return (best_j << 2) | best_i | (best_div << TLV320AIC23_CLKIN_SHIFT); |
291 | } |
292 | |
293 | #ifdef DEBUG |
294 | static void get_current_sample_rates(struct snd_soc_component *component, int mclk, |
295 | u32 *sample_rate_adc, u32 *sample_rate_dac) |
296 | { |
297 | int src = snd_soc_component_read(component, TLV320AIC23_SRATE); |
298 | int sr = (src >> 2) & 0x0f; |
299 | int val = (mclk / bosr_usb_divisor_table[src & 3]); |
300 | int adc = (val * sr_adc_mult_table[sr]) / SR_MULT; |
301 | int dac = (val * sr_dac_mult_table[sr]) / SR_MULT; |
302 | if (src & TLV320AIC23_CLKIN_HALF) { |
303 | adc >>= 1; |
304 | dac >>= 1; |
305 | } |
306 | *sample_rate_adc = adc; |
307 | *sample_rate_dac = dac; |
308 | } |
309 | #endif |
310 | |
311 | static int set_sample_rate_control(struct snd_soc_component *component, int mclk, |
312 | u32 sample_rate_adc, u32 sample_rate_dac) |
313 | { |
314 | /* Search for the right sample rate */ |
315 | int data = find_rate(mclk, need_adc: sample_rate_adc, need_dac: sample_rate_dac); |
316 | if (data < 0) { |
317 | printk(KERN_ERR "%s:Invalid rate %u,%u requested\n" , |
318 | __func__, sample_rate_adc, sample_rate_dac); |
319 | return -EINVAL; |
320 | } |
321 | snd_soc_component_write(component, TLV320AIC23_SRATE, val: data); |
322 | #ifdef DEBUG |
323 | { |
324 | u32 adc, dac; |
325 | get_current_sample_rates(component, mclk, &adc, &dac); |
326 | printk(KERN_DEBUG "actual samplerate = %u,%u reg=%x\n" , |
327 | adc, dac, data); |
328 | } |
329 | #endif |
330 | return 0; |
331 | } |
332 | |
333 | static int tlv320aic23_hw_params(struct snd_pcm_substream *substream, |
334 | struct snd_pcm_hw_params *params, |
335 | struct snd_soc_dai *dai) |
336 | { |
337 | struct snd_soc_component *component = dai->component; |
338 | u16 iface_reg; |
339 | int ret; |
340 | struct aic23 *aic23 = snd_soc_component_get_drvdata(c: component); |
341 | u32 sample_rate_adc = aic23->requested_adc; |
342 | u32 sample_rate_dac = aic23->requested_dac; |
343 | u32 sample_rate = params_rate(p: params); |
344 | |
345 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
346 | aic23->requested_dac = sample_rate_dac = sample_rate; |
347 | if (!sample_rate_adc) |
348 | sample_rate_adc = sample_rate; |
349 | } else { |
350 | aic23->requested_adc = sample_rate_adc = sample_rate; |
351 | if (!sample_rate_dac) |
352 | sample_rate_dac = sample_rate; |
353 | } |
354 | ret = set_sample_rate_control(component, mclk: aic23->mclk, sample_rate_adc, |
355 | sample_rate_dac); |
356 | if (ret < 0) |
357 | return ret; |
358 | |
359 | iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & ~(0x03 << 2); |
360 | |
361 | switch (params_width(p: params)) { |
362 | case 16: |
363 | break; |
364 | case 20: |
365 | iface_reg |= (0x01 << 2); |
366 | break; |
367 | case 24: |
368 | iface_reg |= (0x02 << 2); |
369 | break; |
370 | case 32: |
371 | iface_reg |= (0x03 << 2); |
372 | break; |
373 | } |
374 | snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, val: iface_reg); |
375 | |
376 | return 0; |
377 | } |
378 | |
379 | static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream, |
380 | struct snd_soc_dai *dai) |
381 | { |
382 | struct snd_soc_component *component = dai->component; |
383 | |
384 | /* set active */ |
385 | snd_soc_component_write(component, TLV320AIC23_ACTIVE, val: 0x0001); |
386 | |
387 | return 0; |
388 | } |
389 | |
390 | static void tlv320aic23_shutdown(struct snd_pcm_substream *substream, |
391 | struct snd_soc_dai *dai) |
392 | { |
393 | struct snd_soc_component *component = dai->component; |
394 | struct aic23 *aic23 = snd_soc_component_get_drvdata(c: component); |
395 | |
396 | /* deactivate */ |
397 | if (!snd_soc_component_active(component)) { |
398 | udelay(50); |
399 | snd_soc_component_write(component, TLV320AIC23_ACTIVE, val: 0x0); |
400 | } |
401 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
402 | aic23->requested_dac = 0; |
403 | else |
404 | aic23->requested_adc = 0; |
405 | } |
406 | |
407 | static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute, int direction) |
408 | { |
409 | struct snd_soc_component *component = dai->component; |
410 | u16 reg; |
411 | |
412 | reg = snd_soc_component_read(component, TLV320AIC23_DIGT); |
413 | if (mute) |
414 | reg |= TLV320AIC23_DACM_MUTE; |
415 | |
416 | else |
417 | reg &= ~TLV320AIC23_DACM_MUTE; |
418 | |
419 | snd_soc_component_write(component, TLV320AIC23_DIGT, val: reg); |
420 | |
421 | return 0; |
422 | } |
423 | |
424 | static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai, |
425 | unsigned int fmt) |
426 | { |
427 | struct snd_soc_component *component = codec_dai->component; |
428 | u16 iface_reg; |
429 | |
430 | iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & (~0x03); |
431 | |
432 | switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { |
433 | case SND_SOC_DAIFMT_CBP_CFP: |
434 | iface_reg |= TLV320AIC23_MS_MASTER; |
435 | break; |
436 | case SND_SOC_DAIFMT_CBC_CFC: |
437 | iface_reg &= ~TLV320AIC23_MS_MASTER; |
438 | break; |
439 | default: |
440 | return -EINVAL; |
441 | |
442 | } |
443 | |
444 | /* interface format */ |
445 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
446 | case SND_SOC_DAIFMT_I2S: |
447 | iface_reg |= TLV320AIC23_FOR_I2S; |
448 | break; |
449 | case SND_SOC_DAIFMT_DSP_A: |
450 | iface_reg |= TLV320AIC23_LRP_ON; |
451 | fallthrough; |
452 | case SND_SOC_DAIFMT_DSP_B: |
453 | iface_reg |= TLV320AIC23_FOR_DSP; |
454 | break; |
455 | case SND_SOC_DAIFMT_RIGHT_J: |
456 | break; |
457 | case SND_SOC_DAIFMT_LEFT_J: |
458 | iface_reg |= TLV320AIC23_FOR_LJUST; |
459 | break; |
460 | default: |
461 | return -EINVAL; |
462 | |
463 | } |
464 | |
465 | snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, val: iface_reg); |
466 | |
467 | return 0; |
468 | } |
469 | |
470 | static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
471 | int clk_id, unsigned int freq, int dir) |
472 | { |
473 | struct aic23 *aic23 = snd_soc_dai_get_drvdata(dai: codec_dai); |
474 | aic23->mclk = freq; |
475 | return 0; |
476 | } |
477 | |
478 | static int tlv320aic23_set_bias_level(struct snd_soc_component *component, |
479 | enum snd_soc_bias_level level) |
480 | { |
481 | u16 reg = snd_soc_component_read(component, TLV320AIC23_PWR) & 0x17f; |
482 | |
483 | switch (level) { |
484 | case SND_SOC_BIAS_ON: |
485 | /* vref/mid, osc on, dac unmute */ |
486 | reg &= ~(TLV320AIC23_DEVICE_PWR_OFF | TLV320AIC23_OSC_OFF | \ |
487 | TLV320AIC23_DAC_OFF); |
488 | snd_soc_component_write(component, TLV320AIC23_PWR, val: reg); |
489 | break; |
490 | case SND_SOC_BIAS_PREPARE: |
491 | break; |
492 | case SND_SOC_BIAS_STANDBY: |
493 | /* everything off except vref/vmid, */ |
494 | snd_soc_component_write(component, TLV320AIC23_PWR, |
495 | val: reg | TLV320AIC23_CLK_OFF); |
496 | break; |
497 | case SND_SOC_BIAS_OFF: |
498 | /* everything off, dac mute, inactive */ |
499 | snd_soc_component_write(component, TLV320AIC23_ACTIVE, val: 0x0); |
500 | snd_soc_component_write(component, TLV320AIC23_PWR, val: 0x1ff); |
501 | break; |
502 | } |
503 | return 0; |
504 | } |
505 | |
506 | #define AIC23_RATES SNDRV_PCM_RATE_8000_96000 |
507 | #define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ |
508 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) |
509 | |
510 | static const struct snd_soc_dai_ops tlv320aic23_dai_ops = { |
511 | .prepare = tlv320aic23_pcm_prepare, |
512 | .hw_params = tlv320aic23_hw_params, |
513 | .shutdown = tlv320aic23_shutdown, |
514 | .mute_stream = tlv320aic23_mute, |
515 | .set_fmt = tlv320aic23_set_dai_fmt, |
516 | .set_sysclk = tlv320aic23_set_dai_sysclk, |
517 | .no_capture_mute = 1, |
518 | }; |
519 | |
520 | static struct snd_soc_dai_driver tlv320aic23_dai = { |
521 | .name = "tlv320aic23-hifi" , |
522 | .playback = { |
523 | .stream_name = "Playback" , |
524 | .channels_min = 2, |
525 | .channels_max = 2, |
526 | .rates = AIC23_RATES, |
527 | .formats = AIC23_FORMATS,}, |
528 | .capture = { |
529 | .stream_name = "Capture" , |
530 | .channels_min = 2, |
531 | .channels_max = 2, |
532 | .rates = AIC23_RATES, |
533 | .formats = AIC23_FORMATS,}, |
534 | .ops = &tlv320aic23_dai_ops, |
535 | }; |
536 | |
537 | static int tlv320aic23_resume(struct snd_soc_component *component) |
538 | { |
539 | struct aic23 *aic23 = snd_soc_component_get_drvdata(c: component); |
540 | regcache_mark_dirty(map: aic23->regmap); |
541 | regcache_sync(map: aic23->regmap); |
542 | |
543 | return 0; |
544 | } |
545 | |
546 | static int tlv320aic23_component_probe(struct snd_soc_component *component) |
547 | { |
548 | /* Reset codec */ |
549 | snd_soc_component_write(component, TLV320AIC23_RESET, val: 0); |
550 | |
551 | snd_soc_component_write(component, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K); |
552 | |
553 | /* Unmute input */ |
554 | snd_soc_component_update_bits(component, TLV320AIC23_LINVOL, |
555 | TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); |
556 | |
557 | snd_soc_component_update_bits(component, TLV320AIC23_RINVOL, |
558 | TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); |
559 | |
560 | snd_soc_component_update_bits(component, TLV320AIC23_ANLG, |
561 | TLV320AIC23_BYPASS_ON | TLV320AIC23_MICM_MUTED, |
562 | val: 0); |
563 | |
564 | /* Default output volume */ |
565 | snd_soc_component_write(component, TLV320AIC23_LCHNVOL, |
566 | TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); |
567 | snd_soc_component_write(component, TLV320AIC23_RCHNVOL, |
568 | TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); |
569 | |
570 | snd_soc_component_write(component, TLV320AIC23_ACTIVE, val: 0x1); |
571 | |
572 | return 0; |
573 | } |
574 | |
575 | static const struct snd_soc_component_driver soc_component_dev_tlv320aic23 = { |
576 | .probe = tlv320aic23_component_probe, |
577 | .resume = tlv320aic23_resume, |
578 | .set_bias_level = tlv320aic23_set_bias_level, |
579 | .controls = tlv320aic23_snd_controls, |
580 | .num_controls = ARRAY_SIZE(tlv320aic23_snd_controls), |
581 | .dapm_widgets = tlv320aic23_dapm_widgets, |
582 | .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), |
583 | .dapm_routes = tlv320aic23_intercon, |
584 | .num_dapm_routes = ARRAY_SIZE(tlv320aic23_intercon), |
585 | .suspend_bias_off = 1, |
586 | .idle_bias_on = 1, |
587 | .use_pmdown_time = 1, |
588 | .endianness = 1, |
589 | }; |
590 | |
591 | int tlv320aic23_probe(struct device *dev, struct regmap *regmap) |
592 | { |
593 | struct aic23 *aic23; |
594 | |
595 | if (IS_ERR(ptr: regmap)) |
596 | return PTR_ERR(ptr: regmap); |
597 | |
598 | aic23 = devm_kzalloc(dev, size: sizeof(struct aic23), GFP_KERNEL); |
599 | if (aic23 == NULL) |
600 | return -ENOMEM; |
601 | |
602 | aic23->regmap = regmap; |
603 | |
604 | dev_set_drvdata(dev, data: aic23); |
605 | |
606 | return devm_snd_soc_register_component(dev, |
607 | component_driver: &soc_component_dev_tlv320aic23, |
608 | dai_drv: &tlv320aic23_dai, num_dai: 1); |
609 | } |
610 | EXPORT_SYMBOL(tlv320aic23_probe); |
611 | |
612 | MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver" ); |
613 | MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>" ); |
614 | MODULE_LICENSE("GPL" ); |
615 | |