2  * wm8988.c -- WM8988 ALSA SoC audio driver
20 #include <linux/spi/spi.h>
170 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
171 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
172 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
173 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
174 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
183 SOC_ENUM("Treble Cut-off", treble),
187 SOC_ENUM("3D Lower Cut-off", stereo_3d_lc),
188 SOC_ENUM("3D Upper Cut-off", stereo_3d_uc),
211 SOC_ENUM("Playback De-emphasis", deemph),
247 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in wm8988_lrc_control()
300 /* Left PGA Mux */
309 /* Right PGA Mux */
318 /* Differential Mux */
325 /* Mono ADC Mux */
336 	SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
338 	SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
340 	SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
343 	SND_SOC_DAPM_MUX("Left PGA Mux", WM8988_PWR1, 5, 0,
345 	SND_SOC_DAPM_MUX("Right PGA Mux", WM8988_PWR1, 4, 0,
348 	SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
350 	SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
387 	{ "Left Line Mux", "Line 1", "LINPUT1" },
388 	{ "Left Line Mux", "Line 2", "LINPUT2" },
389 	{ "Left Line Mux", "PGA", "Left PGA Mux" },
390 	{ "Left Line Mux", "Differential", "Differential Mux" },
392 	{ "Right Line Mux", "Line 1", "RINPUT1" },
393 	{ "Right Line Mux", "Line 2", "RINPUT2" },
394 	{ "Right Line Mux", "PGA", "Right PGA Mux" },
395 	{ "Right Line Mux", "Differential", "Differential Mux" },
397 	{ "Left PGA Mux", "Line 1", "LINPUT1" },
398 	{ "Left PGA Mux", "Line 2", "LINPUT2" },
399 	{ "Left PGA Mux", "Differential", "Differential Mux" },
401 	{ "Right PGA Mux", "Line 1", "RINPUT1" },
402 	{ "Right PGA Mux", "Line 2", "RINPUT2" },
403 	{ "Right PGA Mux", "Differential", "Differential Mux" },
405 	{ "Differential Mux", "Line 1", "LINPUT1" },
406 	{ "Differential Mux", "Line 1", "RINPUT1" },
407 	{ "Differential Mux", "Line 2", "LINPUT2" },
408 	{ "Differential Mux", "Line 2", "RINPUT2" },
410 	{ "Left ADC Mux", "Stereo", "Left PGA Mux" },
411 	{ "Left ADC Mux", "Mono (Left)", "Left PGA Mux" },
412 	{ "Left ADC Mux", "Digital Mono", "Left PGA Mux" },
414 	{ "Right ADC Mux", "Stereo", "Right PGA Mux" },
415 	{ "Right ADC Mux", "Mono (Right)", "Right PGA Mux" },
416 	{ "Right ADC Mux", "Digital Mono", "Right PGA Mux" },
418 	{ "Left ADC", NULL, "Left ADC Mux" },
419 	{ "Right ADC", NULL, "Right ADC Mux" },
421 	{ "Left Line Mux", "Line 1", "LINPUT1" },
422 	{ "Left Line Mux", "Line 2", "LINPUT2" },
423 	{ "Left Line Mux", "PGA", "Left PGA Mux" },
424 	{ "Left Line Mux", "Differential", "Differential Mux" },
426 	{ "Right Line Mux", "Line 1", "RINPUT1" },
427 	{ "Right Line Mux", "Line 2", "RINPUT2" },
428 	{ "Right Line Mux", "PGA", "Right PGA Mux" },
429 	{ "Right Line Mux", "Differential", "Differential Mux" },
432 	{ "Left Mixer", "Left Bypass Switch", "Left Line Mux" },
434 	{ "Left Mixer", "Right Bypass Switch", "Right Line Mux" },
437 	{ "Right Mixer", "Left Bypass Switch", "Left Line Mux" },
439 	{ "Right Mixer", "Right Bypass Switch", "Right Line Mux" },
519 	return -EINVAL;  in get_coeff()
558 	struct snd_soc_component *component = codec_dai->component;  in wm8988_set_dai_sysclk()
566 		wm8988->sysclk_constraints = &constraints_112896;  in wm8988_set_dai_sysclk()
567 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
574 		wm8988->sysclk_constraints = &constraints_12288;  in wm8988_set_dai_sysclk()
575 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
580 		wm8988->sysclk_constraints = &constraints_12;  in wm8988_set_dai_sysclk()
581 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
584 	return -EINVAL;  in wm8988_set_dai_sysclk()
590 	struct snd_soc_component *component = codec_dai->component;  in wm8988_set_dai_fmt()
601 		return -EINVAL;  in wm8988_set_dai_fmt()
621 		return -EINVAL;  in wm8988_set_dai_fmt()
638 		return -EINVAL;  in wm8988_set_dai_fmt()
648 	struct snd_soc_component *component = dai->component;  in wm8988_pcm_startup()
652 	 * MCLK supplied to the CODEC - enforce this.  in wm8988_pcm_startup()
654 	if (!wm8988->sysclk) {  in wm8988_pcm_startup()
655 		dev_err(component->dev,  in wm8988_pcm_startup()
657 		return -EINVAL;  in wm8988_pcm_startup()
660 	snd_pcm_hw_constraint_list(substream->runtime, 0,  in wm8988_pcm_startup()
662 				   wm8988->sysclk_constraints);  in wm8988_pcm_startup()
671 	struct snd_soc_component *component = dai->component;  in wm8988_pcm_hw_params()
677 	coeff = get_coeff(wm8988->sysclk, params_rate(params));  in wm8988_pcm_hw_params()
679 		coeff = get_coeff(wm8988->sysclk / 2, params_rate(params));  in wm8988_pcm_hw_params()
683 		dev_err(component->dev,  in wm8988_pcm_hw_params()
685 			params_rate(params), wm8988->sysclk);  in wm8988_pcm_hw_params()
715 	struct snd_soc_component *component = dai->component;  in wm8988_mute()
742 			regcache_sync(wm8988->regmap);  in wm8988_set_bias_level()
776 	.name = "wm8988-hifi",
801 		dev_err(component->dev, "Failed to issue reset\n");  in wm8988_probe()
844 static int wm8988_spi_probe(struct spi_device *spi)  in wm8988_spi_probe()  argument
849 	wm8988 = devm_kzalloc(&spi->dev, sizeof(struct wm8988_priv),  in wm8988_spi_probe()
852 		return -ENOMEM;  in wm8988_spi_probe()
854 	wm8988->regmap = devm_regmap_init_spi(spi, &wm8988_regmap);  in wm8988_spi_probe()
855 	if (IS_ERR(wm8988->regmap)) {  in wm8988_spi_probe()
856 		ret = PTR_ERR(wm8988->regmap);  in wm8988_spi_probe()
857 		dev_err(&spi->dev, "Failed to init regmap: %d\n", ret);  in wm8988_spi_probe()
861 	spi_set_drvdata(spi, wm8988);  in wm8988_spi_probe()
863 	ret = devm_snd_soc_register_component(&spi->dev,  in wm8988_spi_probe()
883 	wm8988 = devm_kzalloc(&i2c->dev, sizeof(struct wm8988_priv),  in wm8988_i2c_probe()
886 		return -ENOMEM;  in wm8988_i2c_probe()
890 	wm8988->regmap = devm_regmap_init_i2c(i2c, &wm8988_regmap);  in wm8988_i2c_probe()
891 	if (IS_ERR(wm8988->regmap)) {  in wm8988_i2c_probe()
892 		ret = PTR_ERR(wm8988->regmap);  in wm8988_i2c_probe()
893 		dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);  in wm8988_i2c_probe()
897 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8988_i2c_probe()
930 		printk(KERN_ERR "Failed to register WM8988 SPI driver: %d\n",  in wm8988_modinit()