1 // SPDX-License-Identifier: GPL-2.0
3 // Driver for the Texas Instruments TAS2562 CODEC
4 // Copyright (C) 2019 Texas Instruments Inc.
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>
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>
26 #define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
27 SNDRV_PCM_FORMAT_S32_LE)
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
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
48 struct snd_soc_component *component;
49 struct gpio_desc *sdz_gpio;
50 struct regmap *regmap;
52 struct i2c_client *client;
66 static int tas2562_set_bias_level(struct snd_soc_component *component,
67 enum snd_soc_bias_level level)
69 struct tas2562_data *tas2562 =
70 snd_soc_component_get_drvdata(component);
74 snd_soc_component_update_bits(component,
76 TAS2562_MODE_MASK, TAS2562_ACTIVE);
78 case SND_SOC_BIAS_STANDBY:
79 case SND_SOC_BIAS_PREPARE:
80 snd_soc_component_update_bits(component,
82 TAS2562_MODE_MASK, TAS2562_MUTE);
84 case SND_SOC_BIAS_OFF:
85 snd_soc_component_update_bits(component,
87 TAS2562_MODE_MASK, TAS2562_SHUTDOWN);
92 "wrong power level setting %d\n", level);
99 static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)
104 switch (samplerate) {
106 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
107 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
111 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
114 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
115 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
119 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
122 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
123 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
127 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
130 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
131 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
135 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
138 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
139 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
143 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
146 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
147 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
151 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
154 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
155 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
159 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
162 dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",
163 __func__, samplerate);
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);
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)
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;
186 dev_err(component->dev, "tx masks must not be 0\n");
197 left_slot = __ffs(tx_mask);
198 tx_mask &= ~(1 << left_slot);
200 right_slot = left_slot;
202 right_slot = __ffs(tx_mask);
203 tx_mask &= ~(1 << right_slot);
207 slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot;
209 ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg);
213 switch (slot_width) {
215 ret = snd_soc_component_update_bits(component,
217 TAS2562_TDM_CFG2_RXLEN_MASK,
218 TAS2562_TDM_CFG2_RXLEN_16B);
221 ret = snd_soc_component_update_bits(component,
223 TAS2562_TDM_CFG2_RXLEN_MASK,
224 TAS2562_TDM_CFG2_RXLEN_24B);
227 ret = snd_soc_component_update_bits(component,
229 TAS2562_TDM_CFG2_RXLEN_MASK,
230 TAS2562_TDM_CFG2_RXLEN_32B);
234 /* Do not change slot width */
237 dev_err(tas2562->dev, "slot width not supported");
244 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5,
245 TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
246 tas2562->v_sense_slot);
250 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6,
251 TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
252 tas2562->i_sense_slot);
259 static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
266 case SNDRV_PCM_FORMAT_S16_LE:
267 snd_soc_component_update_bits(tas2562->component,
269 TAS2562_TDM_CFG2_RXWLEN_MASK,
270 TAS2562_TDM_CFG2_RXWLEN_16B);
272 case SNDRV_PCM_FORMAT_S24_LE:
273 snd_soc_component_update_bits(tas2562->component,
275 TAS2562_TDM_CFG2_RXWLEN_MASK,
276 TAS2562_TDM_CFG2_RXWLEN_24B);
278 case SNDRV_PCM_FORMAT_S32_LE:
279 snd_soc_component_update_bits(tas2562->component,
281 TAS2562_TDM_CFG2_RXWLEN_MASK,
282 TAS2562_TDM_CFG2_RXWLEN_32B);
286 dev_info(tas2562->dev, "Unsupported bitwidth format\n");
290 val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);
294 if (val & (1 << TAS2562_VSENSE_POWER_EN))
297 sense_en = TAS2562_TDM_CFG5_VSNS_EN;
299 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,
300 TAS2562_TDM_CFG5_VSNS_EN, sense_en);
304 if (val & (1 << TAS2562_ISENSE_POWER_EN))
307 sense_en = TAS2562_TDM_CFG6_ISNS_EN;
309 ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,
310 TAS2562_TDM_CFG6_ISNS_EN, sense_en);
317 static int tas2562_hw_params(struct snd_pcm_substream *substream,
318 struct snd_pcm_hw_params *params,
319 struct snd_soc_dai *dai)
321 struct snd_soc_component *component = dai->component;
322 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
325 ret = tas2562_set_bitwidth(tas2562, params_format(params));
327 dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
331 ret = tas2562_set_samplerate(tas2562, params_rate(params));
333 dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);
338 static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
340 struct snd_soc_component *component = dai->component;
341 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
343 u8 tdm_rx_start_slot = 0;
346 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
347 case SND_SOC_DAIFMT_NB_NF:
350 case SND_SOC_DAIFMT_IB_NF:
351 asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
354 dev_err(tas2562->dev, "ASI format Inverse is not found\n");
358 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
359 TAS2562_TDM_CFG1_RX_EDGE_MASK,
362 dev_err(tas2562->dev, "Failed to set RX edge\n");
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;
370 case SND_SOC_DAIFMT_I2S:
371 case SND_SOC_DAIFMT_DSP_A:
372 tdm_rx_start_slot = 1;
375 dev_err(tas2562->dev,
376 "DAI Format is not found, fmt=0x%x\n", fmt);
380 ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
381 TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1));
388 static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction)
390 struct snd_soc_component *component = dai->component;
392 return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
394 mute ? TAS2562_MUTE : 0);
397 static int tas2562_codec_probe(struct snd_soc_component *component)
399 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
402 tas2562->component = component;
404 if (tas2562->sdz_gpio)
405 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
407 ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
408 TAS2562_MODE_MASK, TAS2562_MUTE);
416 static int tas2562_suspend(struct snd_soc_component *component)
418 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
420 regcache_cache_only(tas2562->regmap, true);
421 regcache_mark_dirty(tas2562->regmap);
423 if (tas2562->sdz_gpio)
424 gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
429 static int tas2562_resume(struct snd_soc_component *component)
431 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
433 if (tas2562->sdz_gpio)
434 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
436 regcache_cache_only(tas2562->regmap, false);
438 return regcache_sync(tas2562->regmap);
441 #define tas2562_suspend NULL
442 #define tas2562_resume NULL
445 static const char * const tas2562_ASI1_src[] = {
446 "I2C offset", "Left", "Right", "LeftRightDiv2",
449 static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
452 static const struct snd_kcontrol_new tas2562_asi1_mux =
453 SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
455 static int tas2562_dac_event(struct snd_soc_dapm_widget *w,
456 struct snd_kcontrol *kcontrol, int event)
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);
464 case SND_SOC_DAPM_POST_PMU:
465 ret = snd_soc_component_update_bits(component,
472 case SND_SOC_DAPM_PRE_PMD:
473 ret = snd_soc_component_update_bits(component,
481 dev_err(tas2562->dev, "Not supported evevt\n");
492 static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol,
493 struct snd_ctl_elem_value *ucontrol)
495 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
496 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
498 ucontrol->value.integer.value[0] = tas2562->volume_lvl;
502 static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
503 struct snd_ctl_elem_value *ucontrol)
505 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
506 struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
510 reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2];
511 ret = snd_soc_component_write(component, TAS2562_DVC_CFG4,
515 ret = snd_soc_component_write(component, TAS2562_DVC_CFG3,
516 ((reg_val >> 8) & 0xff));
519 ret = snd_soc_component_write(component, TAS2562_DVC_CFG2,
520 ((reg_val >> 16) & 0xff));
523 ret = snd_soc_component_write(component, TAS2562_DVC_CFG1,
524 ((reg_val >> 24) & 0xff));
528 tas2562->volume_lvl = ucontrol->value.integer.value[0];
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);
536 static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
538 static const struct snd_kcontrol_new isense_switch =
539 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
542 static const struct snd_kcontrol_new vsense_switch =
543 SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
546 static const struct snd_kcontrol_new tas2562_snd_controls[] = {
547 SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0,
550 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
551 .name = "Digital Volume Control",
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),
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"),
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" },
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),
591 .use_pmdown_time = 1,
593 .non_legacy_dai_naming = 1,
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"),
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"},
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),
631 .use_pmdown_time = 1,
633 .non_legacy_dai_naming = 1,
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,
644 static struct snd_soc_dai_driver tas2562_dai[] = {
646 .name = "tas2562-amplifier",
649 .stream_name = "ASI1 Playback",
652 .rates = SNDRV_PCM_RATE_8000_192000,
653 .formats = TAS2562_FORMATS,
656 .stream_name = "ASI1 Capture",
659 .rates = SNDRV_PCM_RATE_8000_192000,
660 .formats = TAS2562_FORMATS,
662 .ops = &tas2562_speaker_dai_ops,
666 static const struct regmap_range_cfg tas2562_ranges[] = {
669 .range_max = 5 * 128,
670 .selector_reg = TAS2562_PAGE_CTRL,
671 .selector_mask = 0xff,
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 },
691 static const struct regmap_config tas2562_regmap_config = {
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),
703 static int tas2562_parse_dt(struct tas2562_data *tas2562)
705 struct device *dev = tas2562->dev;
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;
713 tas2562->sdz_gpio = NULL;
717 * The shut-down property is deprecated but needs to be checked for
718 * backwards compatibility.
720 if (tas2562->sdz_gpio == NULL) {
721 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
723 if (IS_ERR(tas2562->sdz_gpio))
724 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
725 return -EPROBE_DEFER;
727 tas2562->sdz_gpio = NULL;
730 if (tas2562->model_id == TAS2110)
733 ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
734 &tas2562->i_sense_slot);
736 dev_err(dev, "Property %s is missing setting default slot\n",
738 tas2562->i_sense_slot = 0;
742 ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
743 &tas2562->v_sense_slot);
745 dev_info(dev, "Property %s is missing setting default slot\n",
747 tas2562->v_sense_slot = 2;
750 if (tas2562->v_sense_slot < tas2562->i_sense_slot) {
751 dev_err(dev, "Vsense slot must be greater than Isense slot\n");
758 static int tas2562_probe(struct i2c_client *client,
759 const struct i2c_device_id *id)
761 struct device *dev = &client->dev;
762 struct tas2562_data *data;
765 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
769 data->client = client;
770 data->dev = &client->dev;
771 data->model_id = id->driver_data;
773 tas2562_parse_dt(data);
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);
782 dev_set_drvdata(&client->dev, data);
784 if (data->model_id == TAS2110)
785 return devm_snd_soc_register_component(dev,
786 &soc_component_dev_tas2110,
788 ARRAY_SIZE(tas2562_dai));
790 return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
792 ARRAY_SIZE(tas2562_dai));
796 static const struct i2c_device_id tas2562_id[] = {
797 { "tas2562", TAS2562 },
798 { "tas2563", TAS2563 },
799 { "tas2564", TAS2564 },
800 { "tas2110", TAS2110 },
803 MODULE_DEVICE_TABLE(i2c, tas2562_id);
805 static const struct of_device_id tas2562_of_match[] = {
806 { .compatible = "ti,tas2562", },
807 { .compatible = "ti,tas2563", },
808 { .compatible = "ti,tas2564", },
809 { .compatible = "ti,tas2110", },
812 MODULE_DEVICE_TABLE(of, tas2562_of_match);
814 static struct i2c_driver tas2562_i2c_driver = {
817 .of_match_table = of_match_ptr(tas2562_of_match),
819 .probe = tas2562_probe,
820 .id_table = tas2562_id,
823 module_i2c_driver(tas2562_i2c_driver);
825 MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
826 MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
827 MODULE_LICENSE("GPL");