1// SPDX-License-Identifier: GPL-2.0
2// Driver for the Texas Instruments TAS2780 Mono
3//		Audio amplifier
4// Copyright (C) 2022 Texas Instruments Inc.
5
6#include <linux/module.h>
7#include <linux/err.h>
8#include <linux/pm.h>
9#include <linux/i2c.h>
10#include <linux/gpio.h>
11#include <linux/gpio/consumer.h>
12#include <linux/regmap.h>
13#include <linux/of.h>
14#include <linux/of_gpio.h>
15#include <sound/soc.h>
16#include <sound/pcm.h>
17#include <sound/pcm_params.h>
18#include <sound/tlv.h>
19
20#include "tas2780.h"
21
22struct tas2780_priv {
23	struct snd_soc_component *component;
24	struct gpio_desc *reset_gpio;
25	struct regmap *regmap;
26	struct device *dev;
27	int v_sense_slot;
28	int i_sense_slot;
29};
30
31static void tas2780_reset(struct tas2780_priv *tas2780)
32{
33	int ret = 0;
34
35	if (tas2780->reset_gpio) {
36		gpiod_set_value_cansleep(tas2780->reset_gpio, 0);
37		usleep_range(2000, 2050);
38		gpiod_set_value_cansleep(tas2780->reset_gpio, 1);
39		usleep_range(2000, 2050);
40	}
41
42	ret = snd_soc_component_write(tas2780->component, TAS2780_SW_RST,
43				TAS2780_RST);
44	if (ret)
45		dev_err(tas2780->dev, "%s:errCode:0x%x Reset error!\n",
46			__func__, ret);
47}
48
49#ifdef CONFIG_PM
50static int tas2780_codec_suspend(struct snd_soc_component *component)
51{
52	struct tas2780_priv *tas2780 =
53		snd_soc_component_get_drvdata(component);
54	int ret = 0;
55
56	ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
57		TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_SHUTDOWN);
58	if (ret < 0) {
59		dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n",
60			__func__, ret);
61		goto err;
62	}
63	ret = 0;
64	regcache_cache_only(tas2780->regmap, true);
65	regcache_mark_dirty(tas2780->regmap);
66err:
67	return ret;
68}
69
70static int tas2780_codec_resume(struct snd_soc_component *component)
71{
72	struct tas2780_priv *tas2780 =
73		snd_soc_component_get_drvdata(component);
74	int ret = 0;
75
76	ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
77		TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_ACTIVE);
78
79	if (ret < 0) {
80		dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n",
81			__func__, ret);
82		goto err;
83	}
84	ret = 0;
85	regcache_cache_only(tas2780->regmap, false);
86	ret = regcache_sync(tas2780->regmap);
87err:
88	return ret;
89}
90#endif
91
92static const char * const tas2780_ASI1_src[] = {
93	"I2C offset", "Left", "Right", "LeftRightDiv2",
94};
95
96static SOC_ENUM_SINGLE_DECL(
97	tas2780_ASI1_src_enum, TAS2780_TDM_CFG2, 4, tas2780_ASI1_src);
98
99static const struct snd_kcontrol_new tas2780_asi1_mux =
100	SOC_DAPM_ENUM("ASI1 Source", tas2780_ASI1_src_enum);
101
102static const struct snd_kcontrol_new isense_switch =
103	SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL,
104			TAS2780_ISENSE_POWER_EN, 1, 1);
105static const struct snd_kcontrol_new vsense_switch =
106	SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL,
107			TAS2780_VSENSE_POWER_EN, 1, 1);
108
109static const struct snd_soc_dapm_widget tas2780_dapm_widgets[] = {
110	SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
111	SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2780_asi1_mux),
112	SND_SOC_DAPM_SWITCH("ISENSE", TAS2780_PWR_CTRL,
113		TAS2780_ISENSE_POWER_EN, 1, &isense_switch),
114	SND_SOC_DAPM_SWITCH("VSENSE", TAS2780_PWR_CTRL,
115		TAS2780_VSENSE_POWER_EN, 1, &vsense_switch),
116	SND_SOC_DAPM_OUTPUT("OUT"),
117	SND_SOC_DAPM_SIGGEN("VMON"),
118	SND_SOC_DAPM_SIGGEN("IMON")
119};
120
121static const struct snd_soc_dapm_route tas2780_audio_map[] = {
122	{"ASI1 Sel", "I2C offset", "ASI1"},
123	{"ASI1 Sel", "Left", "ASI1"},
124	{"ASI1 Sel", "Right", "ASI1"},
125	{"ASI1 Sel", "LeftRightDiv2", "ASI1"},
126	{"OUT", NULL, "ASI1 Sel"},
127	{"ISENSE", "Switch", "IMON"},
128	{"VSENSE", "Switch", "VMON"},
129};
130
131static int tas2780_mute(struct snd_soc_dai *dai, int mute, int direction)
132{
133	struct snd_soc_component *component = dai->component;
134	struct tas2780_priv *tas2780 =
135		snd_soc_component_get_drvdata(component);
136	int ret = 0;
137
138	ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
139		TAS2780_PWR_CTRL_MASK,
140		mute ? TAS2780_PWR_CTRL_MUTE : 0);
141	if (ret < 0) {
142		dev_err(tas2780->dev, "%s: Failed to set powercontrol\n",
143			__func__);
144		goto err;
145	}
146	ret = 0;
147err:
148	return ret;
149}
150
151static int tas2780_set_bitwidth(struct tas2780_priv *tas2780, int bitwidth)
152{
153	struct snd_soc_component *component = tas2780->component;
154	int sense_en;
155	int val;
156	int ret;
157	int slot_size;
158
159	switch (bitwidth) {
160	case SNDRV_PCM_FORMAT_S16_LE:
161		ret = snd_soc_component_update_bits(component,
162			TAS2780_TDM_CFG2,
163			TAS2780_TDM_CFG2_RXW_MASK,
164			TAS2780_TDM_CFG2_RXW_16BITS);
165		slot_size = TAS2780_TDM_CFG2_RXS_16BITS;
166		break;
167	case SNDRV_PCM_FORMAT_S24_LE:
168		ret = snd_soc_component_update_bits(component,
169			TAS2780_TDM_CFG2,
170			TAS2780_TDM_CFG2_RXW_MASK,
171			TAS2780_TDM_CFG2_RXW_24BITS);
172		slot_size = TAS2780_TDM_CFG2_RXS_24BITS;
173		break;
174	case SNDRV_PCM_FORMAT_S32_LE:
175		ret = snd_soc_component_update_bits(component,
176			TAS2780_TDM_CFG2,
177			TAS2780_TDM_CFG2_RXW_MASK,
178			TAS2780_TDM_CFG2_RXW_32BITS);
179		slot_size = TAS2780_TDM_CFG2_RXS_32BITS;
180		break;
181
182	default:
183		ret = -EINVAL;
184	}
185
186	if (ret < 0) {
187		dev_err(tas2780->dev, "%s:errCode:0x%x set bitwidth error\n",
188			__func__, ret);
189		goto err;
190	}
191
192	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
193		TAS2780_TDM_CFG2_RXS_MASK, slot_size);
194	if (ret < 0) {
195		dev_err(tas2780->dev,
196			"%s:errCode:0x%x set RX slot size error\n",
197			__func__, ret);
198		goto err;
199	}
200
201	val = snd_soc_component_read(tas2780->component, TAS2780_PWR_CTRL);
202	if (val < 0) {
203		dev_err(tas2780->dev, "%s:errCode:0x%x read PWR_CTRL error\n",
204			__func__, val);
205		ret = val;
206		goto err;
207	}
208
209	if (val & (1 << TAS2780_VSENSE_POWER_EN))
210		sense_en = 0;
211	else
212		sense_en = TAS2780_TDM_CFG5_VSNS_ENABLE;
213
214	ret = snd_soc_component_update_bits(tas2780->component,
215		TAS2780_TDM_CFG5, TAS2780_TDM_CFG5_VSNS_ENABLE, sense_en);
216	if (ret < 0) {
217		dev_err(tas2780->dev, "%s:errCode:0x%x enable vSNS error\n",
218			__func__, ret);
219		goto err;
220	}
221
222	if (val & (1 << TAS2780_ISENSE_POWER_EN))
223		sense_en = 0;
224	else
225		sense_en = TAS2780_TDM_CFG6_ISNS_ENABLE;
226
227	ret = snd_soc_component_update_bits(tas2780->component,
228		TAS2780_TDM_CFG6, TAS2780_TDM_CFG6_ISNS_ENABLE, sense_en);
229	if (ret < 0) {
230		dev_err(tas2780->dev, "%s:errCode:0x%x enable iSNS error\n",
231			__func__, ret);
232		goto err;
233	}
234	ret = 0;
235err:
236	return ret;
237}
238
239static int tas2780_set_samplerate(
240	struct tas2780_priv *tas2780, int samplerate)
241{
242	struct snd_soc_component *component = tas2780->component;
243	int ramp_rate_val;
244	int ret;
245
246	switch (samplerate) {
247	case 48000:
248		ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ |
249				TAS2780_TDM_CFG0_44_1_48KHZ;
250		break;
251	case 44100:
252		ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ |
253				TAS2780_TDM_CFG0_44_1_48KHZ;
254		break;
255	case 96000:
256		ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ |
257				TAS2780_TDM_CFG0_88_2_96KHZ;
258		break;
259	case 88200:
260		ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ |
261				TAS2780_TDM_CFG0_88_2_96KHZ;
262		break;
263	default:
264		return -EINVAL;
265	}
266	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG0,
267		TAS2780_TDM_CFG0_SMP_MASK | TAS2780_TDM_CFG0_MASK,
268		ramp_rate_val);
269	if (ret < 0) {
270		dev_err(tas2780->dev,
271			"%s:errCode:0x%x Failed to set ramp_rate_val\n",
272			__func__, ret);
273		goto err;
274	}
275	ret = 0;
276err:
277	return ret;
278}
279
280static int tas2780_hw_params(struct snd_pcm_substream *substream,
281	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
282{
283	struct snd_soc_component *component = dai->component;
284	struct tas2780_priv *tas2780 =
285		snd_soc_component_get_drvdata(component);
286	int ret;
287
288	ret = tas2780_set_bitwidth(tas2780, params_format(params));
289	if (ret < 0)
290		return ret;
291
292	return tas2780_set_samplerate(tas2780, params_rate(params));
293}
294
295static int tas2780_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
296{
297	struct snd_soc_component *component = dai->component;
298	struct tas2780_priv *tas2780 =
299		snd_soc_component_get_drvdata(component);
300	u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
301	int iface;
302	int ret = 0;
303
304	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
305	case SND_SOC_DAIFMT_NB_NF:
306		asi_cfg_1 = TAS2780_TDM_CFG1_RX_RISING;
307		break;
308	case SND_SOC_DAIFMT_IB_NF:
309		asi_cfg_1 = TAS2780_TDM_CFG1_RX_FALLING;
310		break;
311	default:
312		dev_err(tas2780->dev, "ASI format Inverse is not found\n");
313		return -EINVAL;
314	}
315
316	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG1,
317		TAS2780_TDM_CFG1_RX_MASK, asi_cfg_1);
318	if (ret < 0) {
319		dev_err(tas2780->dev,
320			"%s:errCode:0x%x Failed to set asi_cfg_1\n",
321			__func__, ret);
322		goto err;
323	}
324
325	if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S)
326		|| ((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
327		== SND_SOC_DAIFMT_DSP_A)){
328		iface = TAS2780_TDM_CFG2_SCFG_I2S;
329		tdm_rx_start_slot = 1;
330	} else {
331		if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
332			== SND_SOC_DAIFMT_DSP_B)
333			|| ((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
334			== SND_SOC_DAIFMT_LEFT_J)) {
335			iface = TAS2780_TDM_CFG2_SCFG_LEFT_J;
336			tdm_rx_start_slot = 0;
337		} else {
338			dev_err(tas2780->dev,
339				"%s:DAI Format is not found, fmt=0x%x\n",
340				__func__, fmt);
341			ret = -EINVAL;
342			goto err;
343		}
344	}
345	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG1,
346		TAS2780_TDM_CFG1_MASK,
347		(tdm_rx_start_slot << TAS2780_TDM_CFG1_51_SHIFT));
348	if (ret < 0) {
349		dev_err(tas2780->dev,
350			"%s:errCode:0x%x Failed to set tdm_rx_start_slot\n",
351			__func__, ret);
352		goto err;
353	}
354
355	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
356		TAS2780_TDM_CFG2_SCFG_MASK, iface);
357	if (ret < 0) {
358		dev_err(tas2780->dev, "%s:errCode:0x%x Failed to set iface\n",
359			__func__, ret);
360		goto err;
361	}
362	ret = 0;
363err:
364	return ret;
365}
366
367static int tas2780_set_dai_tdm_slot(struct snd_soc_dai *dai,
368				unsigned int tx_mask,
369				unsigned int rx_mask,
370				int slots, int slot_width)
371{
372	struct snd_soc_component *component = dai->component;
373	struct tas2780_priv *tas2780 =
374		snd_soc_component_get_drvdata(component);
375	int left_slot, right_slot;
376	int slots_cfg;
377	int slot_size;
378	int ret = 0;
379
380	if (tx_mask == 0 || rx_mask != 0)
381		return -EINVAL;
382
383	left_slot = __ffs(tx_mask);
384	tx_mask &= ~(1 << left_slot);
385	if (tx_mask == 0) {
386		right_slot = left_slot;
387	} else {
388		right_slot = __ffs(tx_mask);
389		tx_mask &= ~(1 << right_slot);
390	}
391
392	if (tx_mask != 0 || left_slot >= slots || right_slot >= slots)
393		return -EINVAL;
394
395	slots_cfg = (right_slot << TAS2780_TDM_CFG3_RXS_SHIFT) | left_slot;
396	ret = snd_soc_component_write(component, TAS2780_TDM_CFG3, slots_cfg);
397	if (ret) {
398		dev_err(tas2780->dev,
399			"%s:errCode:0x%x Failed to set slots_cfg\n",
400			__func__, ret);
401		goto err;
402	}
403
404	switch (slot_width) {
405	case 16:
406		slot_size = TAS2780_TDM_CFG2_RXS_16BITS;
407		break;
408	case 24:
409		slot_size = TAS2780_TDM_CFG2_RXS_24BITS;
410		break;
411	case 32:
412		slot_size = TAS2780_TDM_CFG2_RXS_32BITS;
413		break;
414	default:
415		ret = -EINVAL;
416		goto err;
417	}
418
419	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
420		TAS2780_TDM_CFG2_RXS_MASK, slot_size);
421	if (ret < 0) {
422		dev_err(tas2780->dev,
423			"%s:errCode:0x%x Failed to set slot_size\n",
424			__func__, ret);
425		goto err;
426	}
427
428	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG5,
429		TAS2780_TDM_CFG5_50_MASK, tas2780->v_sense_slot);
430	if (ret < 0) {
431		dev_err(tas2780->dev,
432			"%s:errCode:0x%x Failed to set v_sense_slot\n",
433			__func__, ret);
434		goto err;
435	}
436
437	ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG6,
438		TAS2780_TDM_CFG6_50_MASK, tas2780->i_sense_slot);
439	if (ret < 0) {
440		dev_err(tas2780->dev,
441			"%s:errCode:0x%x Failed to set i_sense_slot\n",
442			__func__, ret);
443		goto err;
444	}
445	ret = 0;
446err:
447	return ret;
448}
449
450static const struct snd_soc_dai_ops tas2780_dai_ops = {
451	.mute_stream = tas2780_mute,
452	.hw_params  = tas2780_hw_params,
453	.set_fmt    = tas2780_set_fmt,
454	.set_tdm_slot = tas2780_set_dai_tdm_slot,
455	.no_capture_mute = 1,
456};
457
458#define TAS2780_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
459			 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
460
461#define TAS2780_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
462		       SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200)
463
464static struct snd_soc_dai_driver tas2780_dai_driver[] = {
465	{
466		.name = "tas2780 ASI1",
467		.id = 0,
468		.playback = {
469			.stream_name    = "ASI1 Playback",
470			.channels_min   = 2,
471			.channels_max   = 2,
472			.rates      = TAS2780_RATES,
473			.formats    = TAS2780_FORMATS,
474		},
475		.capture = {
476			.stream_name    = "ASI1 Capture",
477			.channels_min   = 1,
478			.channels_max   = 2,
479			.rates = TAS2780_RATES,
480			.formats = TAS2780_FORMATS,
481		},
482		.ops = &tas2780_dai_ops,
483		.symmetric_rate = 1,
484	},
485};
486
487static int tas2780_codec_probe(struct snd_soc_component *component)
488{
489	struct tas2780_priv *tas2780 =
490		snd_soc_component_get_drvdata(component);
491	int ret = 0;
492
493	tas2780->component = component;
494
495	tas2780_reset(tas2780);
496	ret = snd_soc_component_update_bits(component,
497			TAS2780_IC_CFG, TAS2780_IC_CFG_MASK,
498			TAS2780_IC_CFG_ENABLE);
499	if (ret < 0)
500		dev_err(tas2780->dev, "%s:errCode:0x%0x\n",
501			__func__, ret);
502
503	return ret;
504}
505
506static DECLARE_TLV_DB_SCALE(tas2780_digital_tlv, 1100, 50, 0);
507static DECLARE_TLV_DB_SCALE(tas2780_playback_volume, -10000, 50, 0);
508
509static const struct snd_kcontrol_new tas2780_snd_controls[] = {
510	SOC_SINGLE_TLV("Speaker Volume", TAS2780_DVC, 0,
511		       TAS2780_DVC_MAX, 1, tas2780_playback_volume),
512	SOC_SINGLE_TLV("Amp Gain Volume", TAS2780_CHNL_0, 0, 0x14, 0,
513		       tas2780_digital_tlv),
514};
515
516static const struct snd_soc_component_driver soc_component_driver_tas2780 = {
517	.probe			= tas2780_codec_probe,
518#ifdef CONFIG_PM
519	.suspend		= tas2780_codec_suspend,
520	.resume			= tas2780_codec_resume,
521#endif
522	.controls		= tas2780_snd_controls,
523	.num_controls		= ARRAY_SIZE(tas2780_snd_controls),
524	.dapm_widgets		= tas2780_dapm_widgets,
525	.num_dapm_widgets	= ARRAY_SIZE(tas2780_dapm_widgets),
526	.dapm_routes		= tas2780_audio_map,
527	.num_dapm_routes	= ARRAY_SIZE(tas2780_audio_map),
528	.idle_bias_on		= 1,
529	.endianness		= 1,
530};
531
532static const struct reg_default tas2780_reg_defaults[] = {
533	{ TAS2780_PAGE, 0x00 },
534	{ TAS2780_SW_RST, 0x00 },
535	{ TAS2780_PWR_CTRL, 0x1a },
536	{ TAS2780_DVC, 0x00 },
537	{ TAS2780_CHNL_0, 0x00 },
538	{ TAS2780_TDM_CFG0, 0x09 },
539	{ TAS2780_TDM_CFG1, 0x02 },
540	{ TAS2780_TDM_CFG2, 0x0a },
541	{ TAS2780_TDM_CFG3, 0x10 },
542	{ TAS2780_TDM_CFG5, 0x42 },
543};
544
545static const struct regmap_range_cfg tas2780_regmap_ranges[] = {
546	{
547		.range_min = 0,
548		.range_max = 1 * 128,
549		.selector_reg = TAS2780_PAGE,
550		.selector_mask = 0xff,
551		.selector_shift = 0,
552		.window_start = 0,
553		.window_len = 128,
554	},
555};
556
557static const struct regmap_config tas2780_i2c_regmap = {
558	.reg_bits = 8,
559	.val_bits = 8,
560	.reg_defaults = tas2780_reg_defaults,
561	.num_reg_defaults = ARRAY_SIZE(tas2780_reg_defaults),
562	.cache_type = REGCACHE_RBTREE,
563	.ranges = tas2780_regmap_ranges,
564	.num_ranges = ARRAY_SIZE(tas2780_regmap_ranges),
565	.max_register = 1 * 128,
566};
567
568static int tas2780_parse_dt(struct device *dev, struct tas2780_priv *tas2780)
569{
570	int ret = 0;
571
572	tas2780->reset_gpio = devm_gpiod_get_optional(tas2780->dev, "reset",
573		GPIOD_OUT_HIGH);
574	if (IS_ERR(tas2780->reset_gpio)) {
575		if (PTR_ERR(tas2780->reset_gpio) == -EPROBE_DEFER) {
576			tas2780->reset_gpio = NULL;
577			return -EPROBE_DEFER;
578		}
579	}
580
581	ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
582		&tas2780->i_sense_slot);
583	if (ret)
584		tas2780->i_sense_slot = 0;
585
586	ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
587		&tas2780->v_sense_slot);
588	if (ret)
589		tas2780->v_sense_slot = 2;
590
591	return 0;
592}
593
594static int tas2780_i2c_probe(struct i2c_client *client)
595{
596	struct tas2780_priv *tas2780;
597	int result;
598
599	tas2780 = devm_kzalloc(&client->dev, sizeof(struct tas2780_priv),
600		GFP_KERNEL);
601	if (!tas2780)
602		return -ENOMEM;
603	tas2780->dev = &client->dev;
604	i2c_set_clientdata(client, tas2780);
605	dev_set_drvdata(&client->dev, tas2780);
606
607	tas2780->regmap = devm_regmap_init_i2c(client, &tas2780_i2c_regmap);
608	if (IS_ERR(tas2780->regmap)) {
609		result = PTR_ERR(tas2780->regmap);
610		dev_err(&client->dev, "Failed to allocate register map: %d\n",
611			result);
612		return result;
613	}
614
615	if (client->dev.of_node) {
616		result = tas2780_parse_dt(&client->dev, tas2780);
617		if (result) {
618			dev_err(tas2780->dev,
619				"%s: Failed to parse devicetree\n", __func__);
620			return result;
621		}
622	}
623
624	return devm_snd_soc_register_component(tas2780->dev,
625		&soc_component_driver_tas2780, tas2780_dai_driver,
626		ARRAY_SIZE(tas2780_dai_driver));
627}
628
629static const struct i2c_device_id tas2780_i2c_id[] = {
630	{ "tas2780", 0},
631	{ }
632};
633MODULE_DEVICE_TABLE(i2c, tas2780_i2c_id);
634
635#if defined(CONFIG_OF)
636static const struct of_device_id tas2780_of_match[] = {
637	{ .compatible = "ti,tas2780" },
638	{},
639};
640MODULE_DEVICE_TABLE(of, tas2780_of_match);
641#endif
642
643static struct i2c_driver tas2780_i2c_driver = {
644	.driver = {
645		.name   = "tas2780",
646		.of_match_table = of_match_ptr(tas2780_of_match),
647	},
648	.probe      = tas2780_i2c_probe,
649	.id_table   = tas2780_i2c_id,
650};
651module_i2c_driver(tas2780_i2c_driver);
652
653MODULE_AUTHOR("Raphael Xu <raphael-xu@ti.com>");
654MODULE_DESCRIPTION("TAS2780 I2C Smart Amplifier driver");
655MODULE_LICENSE("GPL");
656