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WIP FPC-III support
[linux/fpc-iii.git] / sound / soc / codecs / tas2562.c
blob19965fabe94906501bc66528afb287f7867dd944
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Driver for the Texas Instruments TAS2562 CODEC
4 // Copyright (C) 2019 Texas Instruments Inc.
5
6
7 #include <linux/module.h>
8 #include <linux/errno.h>
9 #include <linux/device.h>
10 #include <linux/i2c.h>
11 #include <linux/pm_runtime.h>
12 #include <linux/regmap.h>
13 #include <linux/slab.h>
14 #include <linux/gpio/consumer.h>
15 #include <linux/regulator/consumer.h>
16 #include <linux/delay.h>
17
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/soc-dapm.h>
22 #include <sound/tlv.h>
23
24 #include "tas2562.h"
25
26 #define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
27 SNDRV_PCM_FORMAT_S32_LE)
28
29 /* DVC equation involves floating point math
30 * round(10^(volume in dB/20)*2^30)
31 * so create a lookup table for 2dB step
32 */
33 static const unsigned int float_vol_db_lookup[] = {
34 0x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151,
35 0x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b,
36 0x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
37 0x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f,
38 0x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7,
39 0x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d,
40 0x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a,
41 0x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27,
42 0x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68,
43 0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362,
44 0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000
45 };
46
47 struct tas2562_data {
48 struct snd_soc_component *component;
49 struct gpio_desc *sdz_gpio;
50 struct regmap *regmap;
51 struct device *dev;
52 struct i2c_client *client;
53 int v_sense_slot;
54 int i_sense_slot;
55 int volume_lvl;
56 int model_id;
57 };
58
59 enum tas256x_model {
60 TAS2562,
61 TAS2563,
62 TAS2564,
63 TAS2110,
64 };
65
66 static int tas2562_set_bias_level(struct snd_soc_component *component,
67 enum snd_soc_bias_level level)
68 {
69 struct tas2562_data *tas2562 =
70 snd_soc_component_get_drvdata(component);
71
72 switch (level) {
73 case SND_SOC_BIAS_ON:
74 snd_soc_component_update_bits(component,
75 TAS2562_PWR_CTRL,
76 TAS2562_MODE_MASK, TAS2562_ACTIVE);
77 break;
78 case SND_SOC_BIAS_STANDBY:
79 case SND_SOC_BIAS_PREPARE:
80 snd_soc_component_update_bits(component,
81 TAS2562_PWR_CTRL,
82 TAS2562_MODE_MASK, TAS2562_MUTE);
83 break;
84 case SND_SOC_BIAS_OFF:
85 snd_soc_component_update_bits(component,
86 TAS2562_PWR_CTRL,
87 TAS2562_MODE_MASK, TAS2562_SHUTDOWN);
88 break;
89
90 default:
91 dev_err(tas2562->dev,
92 "wrong power level setting %d\n", level);
93 return -EINVAL;
94 }
95
96 return 0;
97 }
98
99 static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)
100 {
101 int samp_rate;
102 int ramp_rate;
103
104 switch (samplerate) {
105 case 7350:
106 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
107 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
108 break;
109 case 8000:
110 ramp_rate = 0;
111 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
112 break;
113 case 14700:
114 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
115 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
116 break;
117 case 16000:
118 ramp_rate = 0;
119 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
120 break;
121 case 22050:
122 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
123 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
124 break;
125 case 24000:
126 ramp_rate = 0;
127 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
128 break;
129 case 29400:
130 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
131 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
132 break;
133 case 32000:
134 ramp_rate = 0;
135 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
136 break;
137 case 44100:
138 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
139 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
140 break;
141 case 48000:
142 ramp_rate = 0;
143 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
144 break;
145 case 88200:
146 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
147 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
148 break;
149 case 96000:
150 ramp_rate = 0;
151 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
152 break;
153 case 176400:
154 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
155 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
156 break;
157 case 192000:
158 ramp_rate = 0;
159 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
160 break;
161 default:
162 dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",
163 __func__, samplerate);
164 return -EINVAL;
165 }
166
167 snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
168 TAS2562_TDM_CFG0_RAMPRATE_MASK, ramp_rate);
169 snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
170 TAS2562_TDM_CFG0_SAMPRATE_MASK, samp_rate);
171
172 return 0;
173 }
174
175 static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
176 unsigned int tx_mask, unsigned int rx_mask,
177 int slots, int slot_width)
178 {
179 struct snd_soc_component *component = dai->component;
180 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
181 int left_slot, right_slot;
182 int slots_cfg;
183 int ret;
184
185 if (!tx_mask) {
186 dev_err(component->dev, "tx masks must not be 0\n");
187 return -EINVAL;
188 }
189
190 if (slots == 1) {
191 if (tx_mask != 1)
192 return -EINVAL;
193
194 left_slot = 0;
195 right_slot = 0;
196 } else {
197 left_slot = __ffs(tx_mask);
198 tx_mask &= ~(1 << left_slot);
199 if (tx_mask == 0) {
200 right_slot = left_slot;
201 } else {
202 right_slot = __ffs(tx_mask);
203 tx_mask &= ~(1 << right_slot);
204 }
205 }
206
207 slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot;
208
209 ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg);
210 if (ret < 0)
211 return ret;
212
213 switch (slot_width) {
214 case 16:
215 ret = snd_soc_component_update_bits(component,
216 TAS2562_TDM_CFG2,
217 TAS2562_TDM_CFG2_RXLEN_MASK,
218 TAS2562_TDM_CFG2_RXLEN_16B);
219 break;
220 case 24:
221 ret = snd_soc_component_update_bits(component,
222 TAS2562_TDM_CFG2,
223 TAS2562_TDM_CFG2_RXLEN_MASK,
224 TAS2562_TDM_CFG2_RXLEN_24B);
225 break;
226 case 32:
227 ret = snd_soc_component_update_bits(component,
228 TAS2562_TDM_CFG2,
229 TAS2562_TDM_CFG2_RXLEN_MASK,
230 TAS2562_TDM_CFG2_RXLEN_32B);
231 break;
232
233 case 0:
234 /* Do not change slot width */
235 break;
236 default:
237 dev_err(tas2562->dev, "slot width not supported");
238 ret = -EINVAL;
239 }
240
241 if (ret < 0)
242 return ret;
243
244 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5,
245 TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
246 tas2562->v_sense_slot);
247 if (ret < 0)
248 return ret;
249
250 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6,
251 TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
252 tas2562->i_sense_slot);
253 if (ret < 0)
254 return ret;
255
256 return 0;
257 }
258
259 static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
260 {
261 int ret;
262 int val;
263 int sense_en;
264
265 switch (bitwidth) {
266 case SNDRV_PCM_FORMAT_S16_LE:
267 snd_soc_component_update_bits(tas2562->component,
268 TAS2562_TDM_CFG2,
269 TAS2562_TDM_CFG2_RXWLEN_MASK,
270 TAS2562_TDM_CFG2_RXWLEN_16B);
271 break;
272 case SNDRV_PCM_FORMAT_S24_LE:
273 snd_soc_component_update_bits(tas2562->component,
274 TAS2562_TDM_CFG2,
275 TAS2562_TDM_CFG2_RXWLEN_MASK,
276 TAS2562_TDM_CFG2_RXWLEN_24B);
277 break;
278 case SNDRV_PCM_FORMAT_S32_LE:
279 snd_soc_component_update_bits(tas2562->component,
280 TAS2562_TDM_CFG2,
281 TAS2562_TDM_CFG2_RXWLEN_MASK,
282 TAS2562_TDM_CFG2_RXWLEN_32B);
283 break;
284
285 default:
286 dev_info(tas2562->dev, "Unsupported bitwidth format\n");
287 return -EINVAL;
288 }
289
290 val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);
291 if (val < 0)
292 return val;
293
294 if (val & (1 << TAS2562_VSENSE_POWER_EN))
295 sense_en = 0;
296 else
297 sense_en = TAS2562_TDM_CFG5_VSNS_EN;
298
299 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,
300 TAS2562_TDM_CFG5_VSNS_EN, sense_en);
301 if (ret < 0)
302 return ret;
303
304 if (val & (1 << TAS2562_ISENSE_POWER_EN))
305 sense_en = 0;
306 else
307 sense_en = TAS2562_TDM_CFG6_ISNS_EN;
308
309 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,
310 TAS2562_TDM_CFG6_ISNS_EN, sense_en);
311 if (ret < 0)
312 return ret;
313
314 return 0;
315 }
316
317 static int tas2562_hw_params(struct snd_pcm_substream *substream,
318 struct snd_pcm_hw_params *params,
319 struct snd_soc_dai *dai)
320 {
321 struct snd_soc_component *component = dai->component;
322 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
323 int ret;
324
325 ret = tas2562_set_bitwidth(tas2562, params_format(params));
326 if (ret) {
327 dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
328 return ret;
329 }
330
331 ret = tas2562_set_samplerate(tas2562, params_rate(params));
332 if (ret)
333 dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);
334
335 return ret;
336 }
337
338 static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
339 {
340 struct snd_soc_component *component = dai->component;
341 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
342 u8 asi_cfg_1 = 0;
343 u8 tdm_rx_start_slot = 0;
344 int ret;
345
346 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
347 case SND_SOC_DAIFMT_NB_NF:
348 asi_cfg_1 = 0;
349 break;
350 case SND_SOC_DAIFMT_IB_NF:
351 asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
352 break;
353 default:
354 dev_err(tas2562->dev, "ASI format Inverse is not found\n");
355 return -EINVAL;
356 }
357
358 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
359 TAS2562_TDM_CFG1_RX_EDGE_MASK,
360 asi_cfg_1);
361 if (ret < 0) {
362 dev_err(tas2562->dev, "Failed to set RX edge\n");
363 return ret;
364 }
365 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
366 case SND_SOC_DAIFMT_LEFT_J:
367 case SND_SOC_DAIFMT_DSP_B:
368 tdm_rx_start_slot = 0;
369 break;
370 case SND_SOC_DAIFMT_I2S:
371 case SND_SOC_DAIFMT_DSP_A:
372 tdm_rx_start_slot = 1;
373 break;
374 default:
375 dev_err(tas2562->dev,
376 "DAI Format is not found, fmt=0x%x\n", fmt);
377 return -EINVAL;
378 }
379
380 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
381 TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1));
382 if (ret < 0)
383 return ret;
384
385 return 0;
386 }
387
388 static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction)
389 {
390 struct snd_soc_component *component = dai->component;
391
392 return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
393 TAS2562_MODE_MASK,
394 mute ? TAS2562_MUTE : 0);
395 }
396
397 static int tas2562_codec_probe(struct snd_soc_component *component)
398 {
399 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
400 int ret;
401
402 tas2562->component = component;
403
404 if (tas2562->sdz_gpio)
405 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
406
407 ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
408 TAS2562_MODE_MASK, TAS2562_MUTE);
409 if (ret < 0)
410 return ret;
411
412 return 0;
413 }
414
415 #ifdef CONFIG_PM
416 static int tas2562_suspend(struct snd_soc_component *component)
417 {
418 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
419
420 regcache_cache_only(tas2562->regmap, true);
421 regcache_mark_dirty(tas2562->regmap);
422
423 if (tas2562->sdz_gpio)
424 gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
425
426 return 0;
427 }
428
429 static int tas2562_resume(struct snd_soc_component *component)
430 {
431 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
432
433 if (tas2562->sdz_gpio)
434 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
435
436 regcache_cache_only(tas2562->regmap, false);
437
438 return regcache_sync(tas2562->regmap);
439 }
440 #else
441 #define tas2562_suspend NULL
442 #define tas2562_resume NULL
443 #endif
444
445 static const char * const tas2562_ASI1_src[] = {
446 "I2C offset", "Left", "Right", "LeftRightDiv2",
447 };
448
449 static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
450 tas2562_ASI1_src);
451
452 static const struct snd_kcontrol_new tas2562_asi1_mux =
453 SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
454
455 static int tas2562_dac_event(struct snd_soc_dapm_widget *w,
456 struct snd_kcontrol *kcontrol, int event)
457 {
458 struct snd_soc_component *component =
459 snd_soc_dapm_to_component(w->dapm);
460 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
461 int ret;
462
463 switch (event) {
464 case SND_SOC_DAPM_POST_PMU:
465 ret = snd_soc_component_update_bits(component,
466 TAS2562_PWR_CTRL,
467 TAS2562_MODE_MASK,
468 TAS2562_MUTE);
469 if (ret)
470 goto end;
471 break;
472 case SND_SOC_DAPM_PRE_PMD:
473 ret = snd_soc_component_update_bits(component,
474 TAS2562_PWR_CTRL,
475 TAS2562_MODE_MASK,
476 TAS2562_SHUTDOWN);
477 if (ret)
478 goto end;
479 break;
480 default:
481 dev_err(tas2562->dev, "Not supported evevt\n");
482 return -EINVAL;
483 }
484
485 end:
486 if (ret < 0)
487 return ret;
488
489 return 0;
490 }
491
492 static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol,
493 struct snd_ctl_elem_value *ucontrol)
494 {
495 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
496 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
497
498 ucontrol->value.integer.value[0] = tas2562->volume_lvl;
499 return 0;
500 }
501
502 static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
503 struct snd_ctl_elem_value *ucontrol)
504 {
505 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
506 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
507 int ret;
508 u32 reg_val;
509
510 reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2];
511 ret = snd_soc_component_write(component, TAS2562_DVC_CFG4,
512 (reg_val & 0xff));
513 if (ret)
514 return ret;
515 ret = snd_soc_component_write(component, TAS2562_DVC_CFG3,
516 ((reg_val >> 8) & 0xff));
517 if (ret)
518 return ret;
519 ret = snd_soc_component_write(component, TAS2562_DVC_CFG2,
520 ((reg_val >> 16) & 0xff));
521 if (ret)
522 return ret;
523 ret = snd_soc_component_write(component, TAS2562_DVC_CFG1,
524 ((reg_val >> 24) & 0xff));
525 if (ret)
526 return ret;
527
528 tas2562->volume_lvl = ucontrol->value.integer.value[0];
529
530 return ret;
531 }
532
533 /* Digital Volume Control. From 0 dB to -110 dB in 1 dB steps */
534 static const DECLARE_TLV_DB_SCALE(dvc_tlv, -11000, 100, 0);
535
536 static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
537
538 static const struct snd_kcontrol_new isense_switch =
539 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
540 1, 1);
541
542 static const struct snd_kcontrol_new vsense_switch =
543 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
544 1, 1);
545
546 static const struct snd_kcontrol_new tas2562_snd_controls[] = {
547 SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0,
548 tas2562_dac_tlv),
549 {
550 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
551 .name = "Digital Volume Control",
552 .index = 0,
553 .tlv.p = dvc_tlv,
554 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,
555 .info = snd_soc_info_volsw,
556 .get = tas2562_volume_control_get,
557 .put = tas2562_volume_control_put,
558 .private_value = SOC_SINGLE_VALUE(TAS2562_DVC_CFG1, 0, 110, 0, 0),
559 },
560 };
561
562 static const struct snd_soc_dapm_widget tas2110_dapm_widgets[] = {
563 SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
564 SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
565 SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
566 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
567 SND_SOC_DAPM_OUTPUT("OUT"),
568 };
569
570 static const struct snd_soc_dapm_route tas2110_audio_map[] = {
571 {"ASI1 Sel", "I2C offset", "ASI1"},
572 {"ASI1 Sel", "Left", "ASI1"},
573 {"ASI1 Sel", "Right", "ASI1"},
574 {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
575 { "DAC", NULL, "ASI1 Sel" },
576 { "OUT", NULL, "DAC" },
577 };
578
579 static const struct snd_soc_component_driver soc_component_dev_tas2110 = {
580 .probe = tas2562_codec_probe,
581 .suspend = tas2562_suspend,
582 .resume = tas2562_resume,
583 .set_bias_level = tas2562_set_bias_level,
584 .controls = tas2562_snd_controls,
585 .num_controls = ARRAY_SIZE(tas2562_snd_controls),
586 .dapm_widgets = tas2110_dapm_widgets,
587 .num_dapm_widgets = ARRAY_SIZE(tas2110_dapm_widgets),
588 .dapm_routes = tas2110_audio_map,
589 .num_dapm_routes = ARRAY_SIZE(tas2110_audio_map),
590 .idle_bias_on = 1,
591 .use_pmdown_time = 1,
592 .endianness = 1,
593 .non_legacy_dai_naming = 1,
594 };
595
596 static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = {
597 SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
598 SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
599 SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
600 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
601 SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch),
602 SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch),
603 SND_SOC_DAPM_SIGGEN("VMON"),
604 SND_SOC_DAPM_SIGGEN("IMON"),
605 SND_SOC_DAPM_OUTPUT("OUT"),
606 };
607
608 static const struct snd_soc_dapm_route tas2562_audio_map[] = {
609 {"ASI1 Sel", "I2C offset", "ASI1"},
610 {"ASI1 Sel", "Left", "ASI1"},
611 {"ASI1 Sel", "Right", "ASI1"},
612 {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
613 { "DAC", NULL, "ASI1 Sel" },
614 { "OUT", NULL, "DAC" },
615 {"ISENSE", "Switch", "IMON"},
616 {"VSENSE", "Switch", "VMON"},
617 };
618
619 static const struct snd_soc_component_driver soc_component_dev_tas2562 = {
620 .probe = tas2562_codec_probe,
621 .suspend = tas2562_suspend,
622 .resume = tas2562_resume,
623 .set_bias_level = tas2562_set_bias_level,
624 .controls = tas2562_snd_controls,
625 .num_controls = ARRAY_SIZE(tas2562_snd_controls),
626 .dapm_widgets = tas2562_dapm_widgets,
627 .num_dapm_widgets = ARRAY_SIZE(tas2562_dapm_widgets),
628 .dapm_routes = tas2562_audio_map,
629 .num_dapm_routes = ARRAY_SIZE(tas2562_audio_map),
630 .idle_bias_on = 1,
631 .use_pmdown_time = 1,
632 .endianness = 1,
633 .non_legacy_dai_naming = 1,
634 };
635
636 static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = {
637 .hw_params = tas2562_hw_params,
638 .set_fmt = tas2562_set_dai_fmt,
639 .set_tdm_slot = tas2562_set_dai_tdm_slot,
640 .mute_stream = tas2562_mute,
641 .no_capture_mute = 1,
642 };
643
644 static struct snd_soc_dai_driver tas2562_dai[] = {
645 {
646 .name = "tas2562-amplifier",
647 .id = 0,
648 .playback = {
649 .stream_name = "ASI1 Playback",
650 .channels_min = 2,
651 .channels_max = 2,
652 .rates = SNDRV_PCM_RATE_8000_192000,
653 .formats = TAS2562_FORMATS,
654 },
655 .capture = {
656 .stream_name = "ASI1 Capture",
657 .channels_min = 0,
658 .channels_max = 2,
659 .rates = SNDRV_PCM_RATE_8000_192000,
660 .formats = TAS2562_FORMATS,
661 },
662 .ops = &tas2562_speaker_dai_ops,
663 },
664 };
665
666 static const struct regmap_range_cfg tas2562_ranges[] = {
667 {
668 .range_min = 0,
669 .range_max = 5 * 128,
670 .selector_reg = TAS2562_PAGE_CTRL,
671 .selector_mask = 0xff,
672 .selector_shift = 0,
673 .window_start = 0,
674 .window_len = 128,
675 },
676 };
677
678 static const struct reg_default tas2562_reg_defaults[] = {
679 { TAS2562_PAGE_CTRL, 0x00 },
680 { TAS2562_SW_RESET, 0x00 },
681 { TAS2562_PWR_CTRL, 0x0e },
682 { TAS2562_PB_CFG1, 0x20 },
683 { TAS2562_TDM_CFG0, 0x09 },
684 { TAS2562_TDM_CFG1, 0x02 },
685 { TAS2562_DVC_CFG1, 0x40 },
686 { TAS2562_DVC_CFG2, 0x40 },
687 { TAS2562_DVC_CFG3, 0x00 },
688 { TAS2562_DVC_CFG4, 0x00 },
689 };
690
691 static const struct regmap_config tas2562_regmap_config = {
692 .reg_bits = 8,
693 .val_bits = 8,
694
695 .max_register = 5 * 128,
696 .cache_type = REGCACHE_RBTREE,
697 .reg_defaults = tas2562_reg_defaults,
698 .num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults),
699 .ranges = tas2562_ranges,
700 .num_ranges = ARRAY_SIZE(tas2562_ranges),
701 };
702
703 static int tas2562_parse_dt(struct tas2562_data *tas2562)
704 {
705 struct device *dev = tas2562->dev;
706 int ret = 0;
707
708 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
709 if (IS_ERR(tas2562->sdz_gpio)) {
710 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
711 return -EPROBE_DEFER;
712
713 tas2562->sdz_gpio = NULL;
714 }
715
716 /*
717 * The shut-down property is deprecated but needs to be checked for
718 * backwards compatibility.
719 */
720 if (tas2562->sdz_gpio == NULL) {
721 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
722 GPIOD_OUT_HIGH);
723 if (IS_ERR(tas2562->sdz_gpio))
724 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
725 return -EPROBE_DEFER;
726
727 tas2562->sdz_gpio = NULL;
728 }
729
730 if (tas2562->model_id == TAS2110)
731 return ret;
732
733 ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
734 &tas2562->i_sense_slot);
735 if (ret) {
736 dev_err(dev, "Property %s is missing setting default slot\n",
737 "ti,imon-slot-no");
738 tas2562->i_sense_slot = 0;
739 }
740
741
742 ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
743 &tas2562->v_sense_slot);
744 if (ret) {
745 dev_info(dev, "Property %s is missing setting default slot\n",
746 "ti,vmon-slot-no");
747 tas2562->v_sense_slot = 2;
748 }
749
750 if (tas2562->v_sense_slot < tas2562->i_sense_slot) {
751 dev_err(dev, "Vsense slot must be greater than Isense slot\n");
752 return -EINVAL;
753 }
754
755 return ret;
756 }
757
758 static int tas2562_probe(struct i2c_client *client,
759 const struct i2c_device_id *id)
760 {
761 struct device *dev = &client->dev;
762 struct tas2562_data *data;
763 int ret;
764
765 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
766 if (!data)
767 return -ENOMEM;
768
769 data->client = client;
770 data->dev = &client->dev;
771 data->model_id = id->driver_data;
772
773 tas2562_parse_dt(data);
774
775 data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config);
776 if (IS_ERR(data->regmap)) {
777 ret = PTR_ERR(data->regmap);
778 dev_err(dev, "failed to allocate register map: %d\n", ret);
779 return ret;
780 }
781
782 dev_set_drvdata(&client->dev, data);
783
784 if (data->model_id == TAS2110)
785 return devm_snd_soc_register_component(dev,
786 &soc_component_dev_tas2110,
787 tas2562_dai,
788 ARRAY_SIZE(tas2562_dai));
789
790 return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
791 tas2562_dai,
792 ARRAY_SIZE(tas2562_dai));
793
794 }
795
796 static const struct i2c_device_id tas2562_id[] = {
797 { "tas2562", TAS2562 },
798 { "tas2563", TAS2563 },
799 { "tas2564", TAS2564 },
800 { "tas2110", TAS2110 },
801 { }
802 };
803 MODULE_DEVICE_TABLE(i2c, tas2562_id);
804
805 #ifdef CONFIG_OF
806 static const struct of_device_id tas2562_of_match[] = {
807 { .compatible = "ti,tas2562", },
808 { .compatible = "ti,tas2563", },
809 { .compatible = "ti,tas2564", },
810 { .compatible = "ti,tas2110", },
811 { },
812 };
813 MODULE_DEVICE_TABLE(of, tas2562_of_match);
814 #endif
815
816 static struct i2c_driver tas2562_i2c_driver = {
817 .driver = {
818 .name = "tas2562",
819 .of_match_table = of_match_ptr(tas2562_of_match),
820 },
821 .probe = tas2562_probe,
822 .id_table = tas2562_id,
823 };
824
825 module_i2c_driver(tas2562_i2c_driver);
826
827 MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
828 MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
829 MODULE_LICENSE("GPL");
Linux with added FPC-III support