1 // SPDX-License-Identifier: GPL-2.0-only
6  *  Author: Lars-Peter Clausen <lars@metafoo.de>
14 #include <linux/gpio.h>
142 static const DECLARE_TLV_DB_MINMAX_MUTE(ssm2518_vol_tlv, -7125, 2400);
143 static const DECLARE_TLV_DB_SCALE(ssm2518_compressor_tlv, -3400, 200, 0);
144 static const DECLARE_TLV_DB_SCALE(ssm2518_expander_tlv, -8100, 300, 0);
145 static const DECLARE_TLV_DB_SCALE(ssm2518_noise_gate_tlv, -9600, 300, 0);
146 static const DECLARE_TLV_DB_SCALE(ssm2518_post_drc_tlv, -2400, 300, 0);
149 	0, 7, TLV_DB_SCALE_ITEM(-2200, 200, 0),
150 	7, 15, TLV_DB_SCALE_ITEM(-800, 100, 0),
187 	SOC_SINGLE("Playback De-emphasis Switch", SSM2518_REG_MUTE_CTRL,
325 		return -EINVAL;  in ssm2518_lookup_mcs()
328 		if (sysclks[i] == ssm2518->sysclk)  in ssm2518_lookup_mcs()
332 	return -EINVAL;  in ssm2518_lookup_mcs()
338 	struct snd_soc_component *component = dai->component;  in ssm2518_hw_params()
360 		return -EINVAL;  in ssm2518_hw_params()
362 	if (ssm2518->right_j) {  in ssm2518_hw_params()
371 			return -EINVAL;  in ssm2518_hw_params()
377 	ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_CLOCK,  in ssm2518_hw_params()
382 	ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_SAI_CTRL1,  in ssm2518_hw_params()
387 	return regmap_update_bits(ssm2518->regmap, SSM2518_REG_POWER1,  in ssm2518_hw_params()
393 	struct ssm2518 *ssm2518 = snd_soc_component_get_drvdata(dai->component);  in ssm2518_mute()
401 	return regmap_update_bits(ssm2518->regmap, SSM2518_REG_MUTE_CTRL,  in ssm2518_mute()
407 	struct ssm2518 *ssm2518 = snd_soc_component_get_drvdata(dai->component);  in ssm2518_set_dai_fmt()
408 	unsigned int ctrl1 = 0, ctrl2 = 0;  in ssm2518_set_dai_fmt()  local
416 		return -EINVAL;  in ssm2518_set_dai_fmt()
424 		ctrl2 |= SSM2518_SAI_CTRL2_BCLK_INVERT;  in ssm2518_set_dai_fmt()
431 		ctrl2 |= SSM2518_SAI_CTRL2_BCLK_INVERT;  in ssm2518_set_dai_fmt()
435 		return -EINVAL;  in ssm2518_set_dai_fmt()
438 	ssm2518->right_j = false;  in ssm2518_set_dai_fmt()
449 		ssm2518->right_j = true;  in ssm2518_set_dai_fmt()
453 		ctrl2 |= SSM2518_SAI_CTRL2_LRCLK_PULSE;  in ssm2518_set_dai_fmt()
458 		ctrl2 |= SSM2518_SAI_CTRL2_LRCLK_PULSE;  in ssm2518_set_dai_fmt()
463 		return -EINVAL;  in ssm2518_set_dai_fmt()
467 		ctrl2 |= SSM2518_SAI_CTRL2_LRCLK_INVERT;  in ssm2518_set_dai_fmt()
469 	ret = regmap_write(ssm2518->regmap, SSM2518_REG_SAI_CTRL1, ctrl1);  in ssm2518_set_dai_fmt()
473 	return regmap_write(ssm2518->regmap, SSM2518_REG_SAI_CTRL2, ctrl2);  in ssm2518_set_dai_fmt()
481 		ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_POWER1,  in ssm2518_set_power()
483 		regcache_mark_dirty(ssm2518->regmap);  in ssm2518_set_power()
486 	if (gpio_is_valid(ssm2518->enable_gpio))  in ssm2518_set_power()
487 		gpio_set_value(ssm2518->enable_gpio, enable);  in ssm2518_set_power()
489 	regcache_cache_only(ssm2518->regmap, !enable);  in ssm2518_set_power()
492 		ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_POWER1,  in ssm2518_set_power()
494 		regcache_sync(ssm2518->regmap);  in ssm2518_set_power()
526 	struct ssm2518 *ssm2518 = snd_soc_component_get_drvdata(dai->component);  in ssm2518_set_tdm_slot()
527 	unsigned int ctrl1, ctrl2;  in ssm2518_set_tdm_slot()  local
532 		return regmap_update_bits(ssm2518->regmap,  in ssm2518_set_tdm_slot()
537 		return -EINVAL;  in ssm2518_set_tdm_slot()
541 			return -EINVAL;  in ssm2518_set_tdm_slot()
557 		return -EINVAL;  in ssm2518_set_tdm_slot()
561 		ctrl2 = SSM2518_SAI_CTRL2_SLOT_WIDTH_16;  in ssm2518_set_tdm_slot()
564 		ctrl2 = SSM2518_SAI_CTRL2_SLOT_WIDTH_24;  in ssm2518_set_tdm_slot()
567 		ctrl2 = SSM2518_SAI_CTRL2_SLOT_WIDTH_32;  in ssm2518_set_tdm_slot()
570 		return -EINVAL;  in ssm2518_set_tdm_slot()
590 		return -EINVAL;  in ssm2518_set_tdm_slot()
593 	ret = regmap_write(ssm2518->regmap, SSM2518_REG_CHAN_MAP,  in ssm2518_set_tdm_slot()
599 	ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_SAI_CTRL1,  in ssm2518_set_tdm_slot()
604 	return regmap_update_bits(ssm2518->regmap, SSM2518_REG_SAI_CTRL2,  in ssm2518_set_tdm_slot()
605 		SSM2518_SAI_CTRL2_SLOT_WIDTH_MASK, ctrl2);  in ssm2518_set_tdm_slot()
611 	struct ssm2518 *ssm2518 = snd_soc_component_get_drvdata(dai->component);  in ssm2518_startup()
613 	if (ssm2518->constraints)  in ssm2518_startup()
614 		snd_pcm_hw_constraint_list(substream->runtime, 0,  in ssm2518_startup()
615 				SNDRV_PCM_HW_PARAM_RATE, ssm2518->constraints);  in ssm2518_startup()
633 	.name = "ssm2518-hifi",
651 		return -EINVAL;  in ssm2518_set_sysclk()
664 		return -EINVAL;  in ssm2518_set_sysclk()
669 		ssm2518->constraints = NULL;  in ssm2518_set_sysclk()
677 		ssm2518->constraints = &ssm2518_constraints_2048000;  in ssm2518_set_sysclk()
688 		ssm2518->constraints = &ssm2518_constraints_2822000;  in ssm2518_set_sysclk()
696 		ssm2518->constraints = &ssm2518_constraints_3072000;  in ssm2518_set_sysclk()
701 		ssm2518->constraints = &ssm2518_constraints_12288000;  in ssm2518_set_sysclk()
704 		return -EINVAL;  in ssm2518_set_sysclk()
707 	ssm2518->sysclk = freq;  in ssm2518_set_sysclk()
709 	return regmap_update_bits(ssm2518->regmap, SSM2518_REG_POWER1,  in ssm2518_set_sysclk()
741 	struct ssm2518_platform_data *pdata = i2c->dev.platform_data;  in ssm2518_i2c_probe()
745 	ssm2518 = devm_kzalloc(&i2c->dev, sizeof(*ssm2518), GFP_KERNEL);  in ssm2518_i2c_probe()
747 		return -ENOMEM;  in ssm2518_i2c_probe()
750 		ssm2518->enable_gpio = pdata->enable_gpio;  in ssm2518_i2c_probe()
751 	} else if (i2c->dev.of_node) {  in ssm2518_i2c_probe()
752 		ssm2518->enable_gpio = of_get_gpio(i2c->dev.of_node, 0);  in ssm2518_i2c_probe()
753 		if (ssm2518->enable_gpio < 0 && ssm2518->enable_gpio != -ENOENT)  in ssm2518_i2c_probe()
754 			return ssm2518->enable_gpio;  in ssm2518_i2c_probe()
756 		ssm2518->enable_gpio = -1;  in ssm2518_i2c_probe()
759 	if (gpio_is_valid(ssm2518->enable_gpio)) {  in ssm2518_i2c_probe()
760 		ret = devm_gpio_request_one(&i2c->dev, ssm2518->enable_gpio,  in ssm2518_i2c_probe()
768 	ssm2518->regmap = devm_regmap_init_i2c(i2c, &ssm2518_regmap_config);  in ssm2518_i2c_probe()
769 	if (IS_ERR(ssm2518->regmap))  in ssm2518_i2c_probe()
770 		return PTR_ERR(ssm2518->regmap);  in ssm2518_i2c_probe()
778 	regcache_cache_bypass(ssm2518->regmap, true);  in ssm2518_i2c_probe()
779 	ret = regmap_write(ssm2518->regmap, SSM2518_REG_POWER1,  in ssm2518_i2c_probe()
781 	regcache_cache_bypass(ssm2518->regmap, false);  in ssm2518_i2c_probe()
785 	ret = regmap_update_bits(ssm2518->regmap, SSM2518_REG_POWER2,  in ssm2518_i2c_probe()
794 	return devm_snd_soc_register_component(&i2c->dev,  in ssm2518_i2c_probe()
824 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");