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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
30
31
32
33static const unsigned int float_vol_db_lookup[] = {
340x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151,
350x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b,
360x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
370x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f,
380x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7,
390x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d,
400x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a,
410x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27,
420x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68,
430x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362,
440x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000
45};
46
47struct 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
59enum tas256x_model {
60 TAS2562,
61 TAS2563,
62 TAS2564,
63 TAS2110,
64};
65
66static 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
99static 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
175static 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 }
204 }
205
206 slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot;
207
208 ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg);
209 if (ret < 0)
210 return ret;
211
212 switch (slot_width) {
213 case 16:
214 ret = snd_soc_component_update_bits(component,
215 TAS2562_TDM_CFG2,
216 TAS2562_TDM_CFG2_RXLEN_MASK,
217 TAS2562_TDM_CFG2_RXLEN_16B);
218 break;
219 case 24:
220 ret = snd_soc_component_update_bits(component,
221 TAS2562_TDM_CFG2,
222 TAS2562_TDM_CFG2_RXLEN_MASK,
223 TAS2562_TDM_CFG2_RXLEN_24B);
224 break;
225 case 32:
226 ret = snd_soc_component_update_bits(component,
227 TAS2562_TDM_CFG2,
228 TAS2562_TDM_CFG2_RXLEN_MASK,
229 TAS2562_TDM_CFG2_RXLEN_32B);
230 break;
231
232 case 0:
233
234 break;
235 default:
236 dev_err(tas2562->dev, "slot width not supported");
237 ret = -EINVAL;
238 }
239
240 if (ret < 0)
241 return ret;
242
243 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5,
244 TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
245 tas2562->v_sense_slot);
246 if (ret < 0)
247 return ret;
248
249 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6,
250 TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
251 tas2562->i_sense_slot);
252 if (ret < 0)
253 return ret;
254
255 return 0;
256}
257
258static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
259{
260 int ret;
261 int val;
262 int sense_en;
263
264 switch (bitwidth) {
265 case SNDRV_PCM_FORMAT_S16_LE:
266 snd_soc_component_update_bits(tas2562->component,
267 TAS2562_TDM_CFG2,
268 TAS2562_TDM_CFG2_RXWLEN_MASK,
269 TAS2562_TDM_CFG2_RXWLEN_16B);
270 break;
271 case SNDRV_PCM_FORMAT_S24_LE:
272 snd_soc_component_update_bits(tas2562->component,
273 TAS2562_TDM_CFG2,
274 TAS2562_TDM_CFG2_RXWLEN_MASK,
275 TAS2562_TDM_CFG2_RXWLEN_24B);
276 break;
277 case SNDRV_PCM_FORMAT_S32_LE:
278 snd_soc_component_update_bits(tas2562->component,
279 TAS2562_TDM_CFG2,
280 TAS2562_TDM_CFG2_RXWLEN_MASK,
281 TAS2562_TDM_CFG2_RXWLEN_32B);
282 break;
283
284 default:
285 dev_info(tas2562->dev, "Unsupported bitwidth format\n");
286 return -EINVAL;
287 }
288
289 val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);
290 if (val < 0)
291 return val;
292
293 if (val & (1 << TAS2562_VSENSE_POWER_EN))
294 sense_en = 0;
295 else
296 sense_en = TAS2562_TDM_CFG5_VSNS_EN;
297
298 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,
299 TAS2562_TDM_CFG5_VSNS_EN, sense_en);
300 if (ret < 0)
301 return ret;
302
303 if (val & (1 << TAS2562_ISENSE_POWER_EN))
304 sense_en = 0;
305 else
306 sense_en = TAS2562_TDM_CFG6_ISNS_EN;
307
308 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,
309 TAS2562_TDM_CFG6_ISNS_EN, sense_en);
310 if (ret < 0)
311 return ret;
312
313 return 0;
314}
315
316static int tas2562_hw_params(struct snd_pcm_substream *substream,
317 struct snd_pcm_hw_params *params,
318 struct snd_soc_dai *dai)
319{
320 struct snd_soc_component *component = dai->component;
321 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
322 int ret;
323
324 ret = tas2562_set_bitwidth(tas2562, params_format(params));
325 if (ret) {
326 dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
327 return ret;
328 }
329
330 ret = tas2562_set_samplerate(tas2562, params_rate(params));
331 if (ret)
332 dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);
333
334 return ret;
335}
336
337static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
338{
339 struct snd_soc_component *component = dai->component;
340 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
341 u8 asi_cfg_1 = 0;
342 u8 tdm_rx_start_slot = 0;
343 int ret;
344
345 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
346 case SND_SOC_DAIFMT_NB_NF:
347 asi_cfg_1 = 0;
348 break;
349 case SND_SOC_DAIFMT_IB_NF:
350 asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
351 break;
352 default:
353 dev_err(tas2562->dev, "ASI format Inverse is not found\n");
354 return -EINVAL;
355 }
356
357 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
358 TAS2562_TDM_CFG1_RX_EDGE_MASK,
359 asi_cfg_1);
360 if (ret < 0) {
361 dev_err(tas2562->dev, "Failed to set RX edge\n");
362 return ret;
363 }
364 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
365 case SND_SOC_DAIFMT_LEFT_J:
366 case SND_SOC_DAIFMT_DSP_B:
367 tdm_rx_start_slot = 0;
368 break;
369 case SND_SOC_DAIFMT_I2S:
370 case SND_SOC_DAIFMT_DSP_A:
371 tdm_rx_start_slot = 1;
372 break;
373 default:
374 dev_err(tas2562->dev,
375 "DAI Format is not found, fmt=0x%x\n", fmt);
376 return -EINVAL;
377 }
378
379 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
380 TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1));
381 if (ret < 0)
382 return ret;
383
384 return 0;
385}
386
387static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction)
388{
389 struct snd_soc_component *component = dai->component;
390
391 return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
392 TAS2562_MODE_MASK,
393 mute ? TAS2562_MUTE : 0);
394}
395
396static int tas2562_codec_probe(struct snd_soc_component *component)
397{
398 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
399 int ret;
400
401 tas2562->component = component;
402
403 if (tas2562->sdz_gpio)
404 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
405
406 ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
407 TAS2562_MODE_MASK, TAS2562_MUTE);
408 if (ret < 0)
409 return ret;
410
411 return 0;
412}
413
414#ifdef CONFIG_PM
415static int tas2562_suspend(struct snd_soc_component *component)
416{
417 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
418
419 regcache_cache_only(tas2562->regmap, true);
420 regcache_mark_dirty(tas2562->regmap);
421
422 if (tas2562->sdz_gpio)
423 gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
424
425 return 0;
426}
427
428static int tas2562_resume(struct snd_soc_component *component)
429{
430 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
431
432 if (tas2562->sdz_gpio)
433 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
434
435 regcache_cache_only(tas2562->regmap, false);
436
437 return regcache_sync(tas2562->regmap);
438}
439#else
440#define tas2562_suspend NULL
441#define tas2562_resume NULL
442#endif
443
444static const char * const tas2562_ASI1_src[] = {
445 "I2C offset", "Left", "Right", "LeftRightDiv2",
446};
447
448static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
449 tas2562_ASI1_src);
450
451static const struct snd_kcontrol_new tas2562_asi1_mux =
452 SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
453
454static int tas2562_dac_event(struct snd_soc_dapm_widget *w,
455 struct snd_kcontrol *kcontrol, int event)
456{
457 struct snd_soc_component *component =
458 snd_soc_dapm_to_component(w->dapm);
459 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
460 int ret;
461
462 switch (event) {
463 case SND_SOC_DAPM_POST_PMU:
464 ret = snd_soc_component_update_bits(component,
465 TAS2562_PWR_CTRL,
466 TAS2562_MODE_MASK,
467 TAS2562_MUTE);
468 if (ret)
469 goto end;
470 break;
471 case SND_SOC_DAPM_PRE_PMD:
472 ret = snd_soc_component_update_bits(component,
473 TAS2562_PWR_CTRL,
474 TAS2562_MODE_MASK,
475 TAS2562_SHUTDOWN);
476 if (ret)
477 goto end;
478 break;
479 default:
480 dev_err(tas2562->dev, "Not supported evevt\n");
481 return -EINVAL;
482 }
483
484end:
485 if (ret < 0)
486 return ret;
487
488 return 0;
489}
490
491static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol,
492 struct snd_ctl_elem_value *ucontrol)
493{
494 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
495 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
496
497 ucontrol->value.integer.value[0] = tas2562->volume_lvl;
498 return 0;
499}
500
501static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
502 struct snd_ctl_elem_value *ucontrol)
503{
504 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
505 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
506 int ret;
507 u32 reg_val;
508
509 reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2];
510 ret = snd_soc_component_write(component, TAS2562_DVC_CFG4,
511 (reg_val & 0xff));
512 if (ret)
513 return ret;
514 ret = snd_soc_component_write(component, TAS2562_DVC_CFG3,
515 ((reg_val >> 8) & 0xff));
516 if (ret)
517 return ret;
518 ret = snd_soc_component_write(component, TAS2562_DVC_CFG2,
519 ((reg_val >> 16) & 0xff));
520 if (ret)
521 return ret;
522 ret = snd_soc_component_write(component, TAS2562_DVC_CFG1,
523 ((reg_val >> 24) & 0xff));
524 if (ret)
525 return ret;
526
527 tas2562->volume_lvl = ucontrol->value.integer.value[0];
528
529 return 0;
530}
531
532
533static const DECLARE_TLV_DB_SCALE(dvc_tlv, -11000, 100, 0);
534
535static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
536
537static const struct snd_kcontrol_new isense_switch =
538 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
539 1, 1);
540
541static const struct snd_kcontrol_new vsense_switch =
542 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
543 1, 1);
544
545static const struct snd_kcontrol_new tas2562_snd_controls[] = {
546 SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0,
547 tas2562_dac_tlv),
548 {
549 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
550 .name = "Digital Volume Control",
551 .index = 0,
552 .tlv.p = dvc_tlv,
553 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,
554 .info = snd_soc_info_volsw,
555 .get = tas2562_volume_control_get,
556 .put = tas2562_volume_control_put,
557 .private_value = SOC_SINGLE_VALUE(TAS2562_DVC_CFG1, 0, 110, 0, 0),
558 },
559};
560
561static const struct snd_soc_dapm_widget tas2110_dapm_widgets[] = {
562 SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
563 SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
564 SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
565 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
566 SND_SOC_DAPM_OUTPUT("OUT"),
567};
568
569static const struct snd_soc_dapm_route tas2110_audio_map[] = {
570 {"ASI1 Sel", "I2C offset", "ASI1"},
571 {"ASI1 Sel", "Left", "ASI1"},
572 {"ASI1 Sel", "Right", "ASI1"},
573 {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
574 { "DAC", NULL, "ASI1 Sel" },
575 { "OUT", NULL, "DAC" },
576};
577
578static const struct snd_soc_component_driver soc_component_dev_tas2110 = {
579 .probe = tas2562_codec_probe,
580 .suspend = tas2562_suspend,
581 .resume = tas2562_resume,
582 .set_bias_level = tas2562_set_bias_level,
583 .controls = tas2562_snd_controls,
584 .num_controls = ARRAY_SIZE(tas2562_snd_controls),
585 .dapm_widgets = tas2110_dapm_widgets,
586 .num_dapm_widgets = ARRAY_SIZE(tas2110_dapm_widgets),
587 .dapm_routes = tas2110_audio_map,
588 .num_dapm_routes = ARRAY_SIZE(tas2110_audio_map),
589 .idle_bias_on = 1,
590 .use_pmdown_time = 1,
591 .endianness = 1,
592 .non_legacy_dai_naming = 1,
593};
594
595static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = {
596 SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
597 SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
598 SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
599 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
600 SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch),
601 SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch),
602 SND_SOC_DAPM_SIGGEN("VMON"),
603 SND_SOC_DAPM_SIGGEN("IMON"),
604 SND_SOC_DAPM_OUTPUT("OUT"),
605};
606
607static const struct snd_soc_dapm_route tas2562_audio_map[] = {
608 {"ASI1 Sel", "I2C offset", "ASI1"},
609 {"ASI1 Sel", "Left", "ASI1"},
610 {"ASI1 Sel", "Right", "ASI1"},
611 {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
612 { "DAC", NULL, "ASI1 Sel" },
613 { "OUT", NULL, "DAC" },
614 {"ISENSE", "Switch", "IMON"},
615 {"VSENSE", "Switch", "VMON"},
616};
617
618static const struct snd_soc_component_driver soc_component_dev_tas2562 = {
619 .probe = tas2562_codec_probe,
620 .suspend = tas2562_suspend,
621 .resume = tas2562_resume,
622 .set_bias_level = tas2562_set_bias_level,
623 .controls = tas2562_snd_controls,
624 .num_controls = ARRAY_SIZE(tas2562_snd_controls),
625 .dapm_widgets = tas2562_dapm_widgets,
626 .num_dapm_widgets = ARRAY_SIZE(tas2562_dapm_widgets),
627 .dapm_routes = tas2562_audio_map,
628 .num_dapm_routes = ARRAY_SIZE(tas2562_audio_map),
629 .idle_bias_on = 1,
630 .use_pmdown_time = 1,
631 .endianness = 1,
632 .non_legacy_dai_naming = 1,
633};
634
635static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = {
636 .hw_params = tas2562_hw_params,
637 .set_fmt = tas2562_set_dai_fmt,
638 .set_tdm_slot = tas2562_set_dai_tdm_slot,
639 .mute_stream = tas2562_mute,
640 .no_capture_mute = 1,
641};
642
643static struct snd_soc_dai_driver tas2562_dai[] = {
644 {
645 .name = "tas2562-amplifier",
646 .id = 0,
647 .playback = {
648 .stream_name = "ASI1 Playback",
649 .channels_min = 2,
650 .channels_max = 2,
651 .rates = SNDRV_PCM_RATE_8000_192000,
652 .formats = TAS2562_FORMATS,
653 },
654 .capture = {
655 .stream_name = "ASI1 Capture",
656 .channels_min = 0,
657 .channels_max = 2,
658 .rates = SNDRV_PCM_RATE_8000_192000,
659 .formats = TAS2562_FORMATS,
660 },
661 .ops = &tas2562_speaker_dai_ops,
662 },
663};
664
665static const struct regmap_range_cfg tas2562_ranges[] = {
666 {
667 .range_min = 0,
668 .range_max = 5 * 128,
669 .selector_reg = TAS2562_PAGE_CTRL,
670 .selector_mask = 0xff,
671 .selector_shift = 0,
672 .window_start = 0,
673 .window_len = 128,
674 },
675};
676
677static const struct reg_default tas2562_reg_defaults[] = {
678 { TAS2562_PAGE_CTRL, 0x00 },
679 { TAS2562_SW_RESET, 0x00 },
680 { TAS2562_PWR_CTRL, 0x0e },
681 { TAS2562_PB_CFG1, 0x20 },
682 { TAS2562_TDM_CFG0, 0x09 },
683 { TAS2562_TDM_CFG1, 0x02 },
684 { TAS2562_DVC_CFG1, 0x40 },
685 { TAS2562_DVC_CFG2, 0x40 },
686 { TAS2562_DVC_CFG3, 0x00 },
687 { TAS2562_DVC_CFG4, 0x00 },
688};
689
690static const struct regmap_config tas2562_regmap_config = {
691 .reg_bits = 8,
692 .val_bits = 8,
693
694 .max_register = 5 * 128,
695 .cache_type = REGCACHE_RBTREE,
696 .reg_defaults = tas2562_reg_defaults,
697 .num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults),
698 .ranges = tas2562_ranges,
699 .num_ranges = ARRAY_SIZE(tas2562_ranges),
700};
701
702static int tas2562_parse_dt(struct tas2562_data *tas2562)
703{
704 struct device *dev = tas2562->dev;
705 int ret = 0;
706
707 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
708 if (IS_ERR(tas2562->sdz_gpio)) {
709 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
710 return -EPROBE_DEFER;
711
712 tas2562->sdz_gpio = NULL;
713 }
714
715
716
717
718
719 if (tas2562->sdz_gpio == NULL) {
720 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
721 GPIOD_OUT_HIGH);
722 if (IS_ERR(tas2562->sdz_gpio))
723 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
724 return -EPROBE_DEFER;
725
726 tas2562->sdz_gpio = NULL;
727 }
728
729 if (tas2562->model_id == TAS2110)
730 return ret;
731
732 ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
733 &tas2562->i_sense_slot);
734 if (ret) {
735 dev_err(dev, "Property %s is missing setting default slot\n",
736 "ti,imon-slot-no");
737 tas2562->i_sense_slot = 0;
738 }
739
740
741 ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
742 &tas2562->v_sense_slot);
743 if (ret) {
744 dev_info(dev, "Property %s is missing setting default slot\n",
745 "ti,vmon-slot-no");
746 tas2562->v_sense_slot = 2;
747 }
748
749 if (tas2562->v_sense_slot < tas2562->i_sense_slot) {
750 dev_err(dev, "Vsense slot must be greater than Isense slot\n");
751 return -EINVAL;
752 }
753
754 return ret;
755}
756
757static int tas2562_probe(struct i2c_client *client,
758 const struct i2c_device_id *id)
759{
760 struct device *dev = &client->dev;
761 struct tas2562_data *data;
762 int ret;
763
764 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
765 if (!data)
766 return -ENOMEM;
767
768 data->client = client;
769 data->dev = &client->dev;
770 data->model_id = id->driver_data;
771
772 tas2562_parse_dt(data);
773
774 data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config);
775 if (IS_ERR(data->regmap)) {
776 ret = PTR_ERR(data->regmap);
777 dev_err(dev, "failed to allocate register map: %d\n", ret);
778 return ret;
779 }
780
781 dev_set_drvdata(&client->dev, data);
782
783 if (data->model_id == TAS2110)
784 return devm_snd_soc_register_component(dev,
785 &soc_component_dev_tas2110,
786 tas2562_dai,
787 ARRAY_SIZE(tas2562_dai));
788
789 return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
790 tas2562_dai,
791 ARRAY_SIZE(tas2562_dai));
792
793}
794
795static const struct i2c_device_id tas2562_id[] = {
796 { "tas2562", TAS2562 },
797 { "tas2563", TAS2563 },
798 { "tas2564", TAS2564 },
799 { "tas2110", TAS2110 },
800 { }
801};
802MODULE_DEVICE_TABLE(i2c, tas2562_id);
803
804#ifdef CONFIG_OF
805static const struct of_device_id tas2562_of_match[] = {
806 { .compatible = "ti,tas2562", },
807 { .compatible = "ti,tas2563", },
808 { .compatible = "ti,tas2564", },
809 { .compatible = "ti,tas2110", },
810 { },
811};
812MODULE_DEVICE_TABLE(of, tas2562_of_match);
813#endif
814
815static struct i2c_driver tas2562_i2c_driver = {
816 .driver = {
817 .name = "tas2562",
818 .of_match_table = of_match_ptr(tas2562_of_match),
819 },
820 .probe = tas2562_probe,
821 .id_table = tas2562_id,
822};
823
824module_i2c_driver(tas2562_i2c_driver);
825
826MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
827MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
828MODULE_LICENSE("GPL");
829
