2  * wm8770.c  --  WM8770 ALSA SoC Audio driver
19 #include <linux/spi/spi.h>
74 		wm8770->codec->cache_sync = 1; \
83 static const DECLARE_TLV_DB_SCALE(adc_tlv, -1200, 100, 0);
84 static const DECLARE_TLV_DB_SCALE(dac_dig_tlv, -12750, 50, 1);
85 static const DECLARE_TLV_DB_SCALE(dac_alg_tlv, -12700, 100, 1);
169 	SOC_DAPM_ENUM("Capture Mux", ain_enum);
208 	SND_SOC_DAPM_MUX("Capture Mux", WM8770_ADCMUX, 8, 1, &ain_mux),
238 	{ "Capture Mux", "AIN1", "AIN1" },
239 	{ "Capture Mux", "AIN2", "AIN2" },
240 	{ "Capture Mux", "AIN3", "AIN3" },
241 	{ "Capture Mux", "AIN4", "AIN4" },
242 	{ "Capture Mux", "AIN5", "AIN5" },
243 	{ "Capture Mux", "AIN6", "AIN6" },
244 	{ "Capture Mux", "AIN7", "AIN7" },
245 	{ "Capture Mux", "AIN8", "AIN8" },
247 	{ "ADC", NULL, "Capture Mux" },
252 	{ "VOUT1 Mixer", "Bypass Switch", "Capture Mux" },
257 	{ "VOUT2 Mixer", "Bypass Switch", "Capture Mux" },
262 	{ "VOUT3 Mixer", "Bypass Switch", "Capture Mux" },
266 	{ "VOUT4 Mixer", "Bypass Switch", "Capture Mux" },
279 	codec = w->codec;  in vout12supply_event()
298 	codec = w->codec;  in vout34supply_event()
322 	codec = dai->codec;  in wm8770_set_fmt()
332 		return -EINVAL;  in wm8770_set_fmt()
346 		return -EINVAL;  in wm8770_set_fmt()
362 		return -EINVAL;  in wm8770_set_fmt()
391 	codec = dai->codec;  in wm8770_hw_params()
409 	switch (substream->stream) {  in wm8770_hw_params()
419 		return -EINVAL;  in wm8770_hw_params()
425 			ratio = wm8770->sysclk / params_rate(params);  in wm8770_hw_params()
431 			dev_err(codec->dev,  in wm8770_hw_params()
433 				wm8770->sysclk, params_rate(params));  in wm8770_hw_params()
434 			return -EINVAL;  in wm8770_hw_params()
437 		dev_dbg(codec->dev, "MCLK is %dfs\n", mclk_ratios[i]);  in wm8770_hw_params()
452 	codec = dai->codec;  in wm8770_mute()
463 	codec = dai->codec;  in wm8770_set_sysclk()
465 	wm8770->sysclk = freq;  in wm8770_set_sysclk()
474 	if (!codec->cache_sync)  in wm8770_sync_cache()
477 	codec->cache_only = 0;  in wm8770_sync_cache()
478 	cache = codec->reg_cache;  in wm8770_sync_cache()
479 	for (i = 0; i < codec->driver->reg_cache_size; i++) {  in wm8770_sync_cache()
484 	codec->cache_sync = 0;  in wm8770_sync_cache()
501 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {  in wm8770_set_bias_level()
502 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8770->supplies),  in wm8770_set_bias_level()
503 						    wm8770->supplies);  in wm8770_set_bias_level()
505 				dev_err(codec->dev,  in wm8770_set_bias_level()
518 		regulator_bulk_disable(ARRAY_SIZE(wm8770->supplies),  in wm8770_set_bias_level()
519 				       wm8770->supplies);  in wm8770_set_bias_level()
523 	codec->dapm.bias_level = level;  in wm8770_set_bias_level()
538 	.name = "wm8770-hifi",
581 	wm8770->codec = codec;  in wm8770_probe()
583 	codec->dapm.idle_bias_off = 1;  in wm8770_probe()
585 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8770->control_type);  in wm8770_probe()
587 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);  in wm8770_probe()
591 	for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)  in wm8770_probe()
592 		wm8770->supplies[i].supply = wm8770_supply_names[i];  in wm8770_probe()
594 	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8770->supplies),  in wm8770_probe()
595 				 wm8770->supplies);  in wm8770_probe()
597 		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);  in wm8770_probe()
601 	wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;  in wm8770_probe()
602 	wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;  in wm8770_probe()
603 	wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;  in wm8770_probe()
606 	for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {  in wm8770_probe()
607 		ret = regulator_register_notifier(wm8770->supplies[i].consumer,  in wm8770_probe()
608 						  &wm8770->disable_nb[i]);  in wm8770_probe()
610 			dev_err(codec->dev,  in wm8770_probe()
616 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8770->supplies),  in wm8770_probe()
617 				    wm8770->supplies);  in wm8770_probe()
619 		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);  in wm8770_probe()
625 		dev_err(codec->dev, "Failed to issue reset: %d\n", ret);  in wm8770_probe()
648 	snd_soc_dapm_new_controls(&codec->dapm, wm8770_dapm_widgets,  in wm8770_probe()
650 	snd_soc_dapm_add_routes(&codec->dapm, wm8770_intercon,  in wm8770_probe()
655 	regulator_bulk_disable(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);  in wm8770_probe()
657 	regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);  in wm8770_probe()
669 	for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)  in wm8770_remove()
670 		regulator_unregister_notifier(wm8770->supplies[i].consumer,  in wm8770_remove()
671 					      &wm8770->disable_nb[i]);  in wm8770_remove()
672 	regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);  in wm8770_remove()
693 static int __devinit wm8770_spi_probe(struct spi_device *spi)  in wm8770_spi_probe()  argument
698 	wm8770 = devm_kzalloc(&spi->dev, sizeof(struct wm8770_priv),  in wm8770_spi_probe()
701 		return -ENOMEM;  in wm8770_spi_probe()
703 	wm8770->control_type = SND_SOC_SPI;  in wm8770_spi_probe()
704 	spi_set_drvdata(spi, wm8770);  in wm8770_spi_probe()
706 	ret = snd_soc_register_codec(&spi->dev,  in wm8770_spi_probe()
712 static int __devexit wm8770_spi_remove(struct spi_device *spi)  in wm8770_spi_remove()  argument
714 	snd_soc_unregister_codec(&spi->dev);  in wm8770_spi_remove()
734 		printk(KERN_ERR "Failed to register wm8770 SPI driver: %d\n",  in wm8770_modinit()