1 // SPDX-License-Identifier: GPL-2.0-only
3  * max98926.c -- ALSA SoC MAX98926 driver
4  * Copyright 2013-15 Maxim Integrated Products
76 	{ 0x36, 0x00 }, /* Block Enable */
78 	{ 0x38, 0x00 }, /* Global Enable */
122 	SND_SOC_DAPM_DAC("Amp Enable", NULL, MAX98926_BLOCK_ENABLE,
124 	SND_SOC_DAPM_SUPPLY("Global Enable", MAX98926_GLOBAL_ENABLE,
126 	SND_SOC_DAPM_SUPPLY("VI Enable", MAX98926_BLOCK_ENABLE,
130 	SND_SOC_DAPM_PGA("BST Enable", MAX98926_BLOCK_ENABLE,
152 	{"VI Enable", NULL, "DAI_OUT"},
153 	{"DAI Sel", "Left", "VI Enable"},
154 	{"DAI Sel", "Right", "VI Enable"},
155 	{"DAI Sel", "LeftRight", "VI Enable"},
156 	{"DAI Sel", "LeftRightDiv2", "VI Enable"},
165 	{"Amp Enable", NULL, "PCM Sel"},
167 	{"BST Enable", NULL, "Amp Enable"},
168 	{"BE_OUT", NULL, "BST Enable"},
205 static DECLARE_TLV_DB_SCALE(max98926_spk_tlv, -600, 100, 0);
222 		(1<<MAX98926_SPK_GAIN_WIDTH)-1, 0,
232 		(1<<MAX98926_ALC_TH_WIDTH)-1, 0),
236 		(1<<MAX98926_BST_ILIM_SHIFT)-1, 0,
291 	regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
295 	regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
300 	if (!max98926->interleave_mode) {  in max98926_set_sense_data()
302 		regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
305 			max98926->v_slot);  in max98926_set_sense_data()
307 		regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
310 			max98926->i_slot);  in max98926_set_sense_data()
312 		/* enable interleave mode */  in max98926_set_sense_data()
313 		regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
318 		regmap_update_bits(max98926->regmap,  in max98926_set_sense_data()
321 			max98926->v_slot);  in max98926_set_sense_data()
328 	struct snd_soc_component *component = codec_dai->component;  in max98926_dai_set_fmt()
330 	unsigned int invert = 0;  in max98926_dai_set_fmt()  local
332 	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);  in max98926_dai_set_fmt()
339 		dev_err(component->dev, "DAI clock mode unsupported\n");  in max98926_dai_set_fmt()
340 		return -EINVAL;  in max98926_dai_set_fmt()
347 		invert = MAX98926_DAI_WCI_MASK;  in max98926_dai_set_fmt()
350 		invert = MAX98926_DAI_BCI_MASK;  in max98926_dai_set_fmt()
353 		invert = MAX98926_DAI_BCI_MASK | MAX98926_DAI_WCI_MASK;  in max98926_dai_set_fmt()
356 		dev_err(component->dev, "DAI invert mode unsupported\n");  in max98926_dai_set_fmt()
357 		return -EINVAL;  in max98926_dai_set_fmt()
360 	regmap_write(max98926->regmap,  in max98926_dai_set_fmt()
362 	regmap_update_bits(max98926->regmap, MAX98926_FORMAT,  in max98926_dai_set_fmt()
363 			MAX98926_DAI_BCI_MASK, invert);  in max98926_dai_set_fmt()
371 	int dai_sr = -EINVAL;  in max98926_dai_hw_params()
373 	struct snd_soc_component *component = dai->component;  in max98926_dai_hw_params()
379 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
383 		max98926->ch_size = 16;  in max98926_dai_hw_params()
386 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
390 		max98926->ch_size = 24;  in max98926_dai_hw_params()
393 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
397 		max98926->ch_size = 32;  in max98926_dai_hw_params()
400 		dev_dbg(component->dev, "format unsupported %d\n",  in max98926_dai_hw_params()
402 		return -EINVAL;  in max98926_dai_hw_params()
406 	blr_clk_ratio = params_channels(params) * max98926->ch_size;  in max98926_dai_hw_params()
410 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
416 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
422 		regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
428 		return -EINVAL;  in max98926_dai_hw_params()
439 		return -EINVAL;  in max98926_dai_hw_params()
442 	regmap_update_bits(max98926->regmap,  in max98926_dai_hw_params()
458 	.name = "max98926-aif1",
481 	max98926->component = component;  in max98926_probe()
483 	/* Hi-Z all the slots */  in max98926_probe()
484 	regmap_write(max98926->regmap, MAX98926_DOUT_HIZ_CFG4, 0xF0);  in max98926_probe()
520 	max98926 = devm_kzalloc(&i2c->dev,  in max98926_i2c_probe()
523 		return -ENOMEM;  in max98926_i2c_probe()
526 	max98926->regmap = devm_regmap_init_i2c(i2c, &max98926_regmap);  in max98926_i2c_probe()
527 	if (IS_ERR(max98926->regmap)) {  in max98926_i2c_probe()
528 		ret = PTR_ERR(max98926->regmap);  in max98926_i2c_probe()
529 		dev_err(&i2c->dev,  in max98926_i2c_probe()
533 	if (of_property_read_bool(i2c->dev.of_node, "interleave-mode"))  in max98926_i2c_probe()
534 		max98926->interleave_mode = true;  in max98926_i2c_probe()
536 	if (!of_property_read_u32(i2c->dev.of_node, "vmon-slot-no", &value)) {  in max98926_i2c_probe()
538 			dev_err(&i2c->dev, "vmon slot number is wrong:\n");  in max98926_i2c_probe()
539 			return -EINVAL;  in max98926_i2c_probe()
541 		max98926->v_slot = value;  in max98926_i2c_probe()
543 	if (!of_property_read_u32(i2c->dev.of_node, "imon-slot-no", &value)) {  in max98926_i2c_probe()
545 			dev_err(&i2c->dev, "imon slot number is wrong:\n");  in max98926_i2c_probe()
546 			return -EINVAL;  in max98926_i2c_probe()
548 		max98926->i_slot = value;  in max98926_i2c_probe()
550 	ret = regmap_read(max98926->regmap,  in max98926_i2c_probe()
553 		dev_err(&i2c->dev, "Failed to read: %x\n", reg);  in max98926_i2c_probe()
557 	ret = devm_snd_soc_register_component(&i2c->dev,  in max98926_i2c_probe()
561 		dev_err(&i2c->dev,  in max98926_i2c_probe()
563 	dev_info(&i2c->dev, "device version: %x\n", reg);  in max98926_i2c_probe()