soc/codecs/uda1380.c

2  * uda1380.c - Philips UDA1380 ALSA SoC audio driver
8  * Copyright (c) 2007-2009 Philipp Zabel <philipp.zabel@gmail.com>
22 #include <linux/gpio.h>
66 	u16 *cache = codec->reg_cache;  in uda1380_read_reg_cache()
70 		return -1;  in uda1380_read_reg_cache()
80 	u16 *cache = codec->reg_cache;  in uda1380_write_reg_cache()
85 		set_bit(reg - 0x10, &uda1380_cache_dirty);  in uda1380_write_reg_cache()
111 	if (!codec->active && (reg >= UDA1380_MVOL))  in uda1380_write()
114 	if (codec->hw_write(codec->control_data, data, 3) == 3) {  in uda1380_write()
116 		i2c_master_send(codec->control_data, data, 1);  in uda1380_write()
117 		i2c_master_recv(codec->control_data, data, 2);  in uda1380_write()
122 			return -EIO;  in uda1380_write()
125 			clear_bit(reg - 0x10, &uda1380_cache_dirty);  in uda1380_write()
128 		return -EIO;  in uda1380_write()
135 	u16 *cache = codec->reg_cache;  in uda1380_sync_cache()
142 		if (codec->hw_write(codec->control_data, data, 3) != 3)  in uda1380_sync_cache()
143 			dev_err(codec->dev, "%s: write to reg 0x%x failed\n",  in uda1380_sync_cache()
150 	struct uda1380_platform_data *pdata = codec->dev->platform_data;  in uda1380_reset()
152 	if (gpio_is_valid(pdata->gpio_reset)) {  in uda1380_reset()
153 		gpio_set_value(pdata->gpio_reset, 1);  in uda1380_reset()
155 		gpio_set_value(pdata->gpio_reset, 0);  in uda1380_reset()
163 		if (codec->hw_write(codec->control_data, data, 3) != 3) {  in uda1380_reset()
164 			dev_err(codec->dev, "%s: failed\n", __func__);  in uda1380_reset()
165 			return -EIO;  in uda1380_reset()
175 	struct snd_soc_codec *uda1380_codec = uda1380->codec;  in uda1380_flush_work()
178 	for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) {  in uda1380_flush_work()
218 	"3rd-order",
219 	"5th-order"
234 	"single-speed",
235 	"double-speed (no mixing)",
236 	"quad-speed (no mixing)"
261  * from -48 dB in 1.5 dB steps (mute instead of -49.5 dB)
263 static DECLARE_TLV_DB_SCALE(amix_tlv, -4950, 150, 1);
266  * from -78 dB in 1 dB steps (3 dB steps, really. LSB are ignored),
267  * from -66 dB in 0.5 dB steps (2 dB steps, really) and
268  * from -52 dB in 0.25 dB steps
272 	0, 15, TLV_DB_SCALE_ITEM(-8200, 100, 1),
273 	16, 43, TLV_DB_SCALE_ITEM(-6600, 50, 0),
274 	44, 252, TLV_DB_SCALE_ITEM(-5200, 25, 0),
278  * from -72 dB in 1.5 dB steps (6 dB steps really),
279  * from -66 dB in 0.75 dB steps (3 dB steps really),
280  * from -60 dB in 0.5 dB steps (2 dB steps really) and
281  * from -46 dB in 0.25 dB steps
285 	0, 7, TLV_DB_SCALE_ITEM(-7800, 150, 1),
286 	8, 15, TLV_DB_SCALE_ITEM(-6600, 75, 0),
287 	16, 43, TLV_DB_SCALE_ITEM(-6000, 50, 0),
288 	44, 228, TLV_DB_SCALE_ITEM(-4600, 25, 0),
298 /* from -63 to 24 dB in 0.5 dB steps (-128...48) */
299 static DECLARE_TLV_DB_SCALE(dec_tlv, -6400, 50, 1);
313 	SOC_DOUBLE_TLV("Tone Control - Treble", UDA1380_MODE, 4, 12, 3, 0, tr_tlv), 	/* TRL, TRR */
314 	SOC_DOUBLE_TLV("Tone Control - Bass", UDA1380_MODE, 0, 8, 15, 0, bb_tlv),	/* BBL, BBR */
317 	SOC_ENUM("ADC Playback De-emphasis", uda1380_deemp_enum[0]),		/* DE2 */
319 	SOC_ENUM("PCM Playback De-emphasis", uda1380_deemp_enum[1]),		/* DE1 */
326 	SOC_DOUBLE_S8_TLV("ADC Capture Volume", UDA1380_DEC, -128, 48, dec_tlv),	/* ML_DEC, MR_DEC */
335 	/* -5.5, -8, -11.5, -14 dBFS */
339 /* Input mux */
343 /* Output mux */
347 /* Capture mux */
353 	SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
355 	SND_SOC_DAPM_MUX("Output Mux", SND_SOC_NOPM, 0, 0,
357 	SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
378 	/* output mux */
379 	{"HeadPhone Driver", NULL, "Output Mux"},
380 	{"VOUTR", NULL, "Output Mux"},
381 	{"VOUTL", NULL, "Output Mux"},
387 	{"Output Mux", "DAC", "DAC"},
388 	{"Output Mux", "Analog Mixer", "Analog Mixer"},
396 	/* input mux */
397 	{"Left ADC", NULL, "Input Mux"},
398 	{"Input Mux", "Mic", "Mic LNA"},
399 	{"Input Mux", "Mic + Line R", "Mic LNA"},
400 	{"Input Mux", "Line L", "Left PGA"},
401 	{"Input Mux", "Line", "Left PGA"},
416 	struct snd_soc_codec *codec = codec_dai->codec;  in uda1380_set_dai_fmt_both()
434 	/* DATAI is slave only, so in single-link mode, this has to be slave */  in uda1380_set_dai_fmt_both()
436 		return -EINVAL;  in uda1380_set_dai_fmt_both()
446 	struct snd_soc_codec *codec = codec_dai->codec;  in uda1380_set_dai_fmt_playback()
466 		return -EINVAL;  in uda1380_set_dai_fmt_playback()
476 	struct snd_soc_codec *codec = codec_dai->codec;  in uda1380_set_dai_fmt_capture()
505 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in uda1380_trigger()
506 	struct snd_soc_codec *codec = rtd->codec;  in uda1380_trigger()
515 		schedule_work(&uda1380->work);  in uda1380_trigger()
521 		schedule_work(&uda1380->work);  in uda1380_trigger()
531 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in uda1380_pcm_hw_params()
532 	struct snd_soc_codec *codec = rtd->codec;  in uda1380_pcm_hw_params()
535 	/* set WSPLL power and divider if running from this clock */  in uda1380_pcm_hw_params()
557 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uda1380_pcm_hw_params()
569 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in uda1380_pcm_shutdown()
570 	struct snd_soc_codec *codec = rtd->codec;  in uda1380_pcm_shutdown()
573 	/* shut down WSPLL power if running from this clock */  in uda1380_pcm_shutdown()
579 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uda1380_pcm_shutdown()
592 	struct uda1380_platform_data *pdata = codec->dev->platform_data;  in uda1380_set_bias_level()
594 	if (codec->dapm.bias_level == level)  in uda1380_set_bias_level()
604 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {  in uda1380_set_bias_level()
605 			if (gpio_is_valid(pdata->gpio_power)) {  in uda1380_set_bias_level()
606 				gpio_set_value(pdata->gpio_power, 1);  in uda1380_set_bias_level()
616 		if (!gpio_is_valid(pdata->gpio_power))  in uda1380_set_bias_level()
619 		gpio_set_value(pdata->gpio_power, 0);  in uda1380_set_bias_level()
625 			set_bit(reg - 0x10, &uda1380_cache_dirty);  in uda1380_set_bias_level()
627 	codec->dapm.bias_level = level;  in uda1380_set_bias_level()
658 	.name = "uda1380-hifi",
673 { /* playback only - dual interface */
674 	.name = "uda1380-hifi-playback",
684 { /* capture only - dual interface*/
685 	.name = "uda1380-hifi-capture",
711 	struct uda1380_platform_data *pdata =codec->dev->platform_data;  in uda1380_probe()
715 	uda1380->codec = codec;  in uda1380_probe()
717 	codec->hw_write = (hw_write_t)i2c_master_send;  in uda1380_probe()
718 	codec->control_data = uda1380->control_data;  in uda1380_probe()
721 		return -EINVAL;  in uda1380_probe()
723 	if (gpio_is_valid(pdata->gpio_reset)) {  in uda1380_probe()
724 		ret = gpio_request_one(pdata->gpio_reset, GPIOF_OUT_INIT_LOW,  in uda1380_probe()
730 	if (gpio_is_valid(pdata->gpio_power)) {  in uda1380_probe()
731 		ret = gpio_request_one(pdata->gpio_power, GPIOF_OUT_INIT_LOW,  in uda1380_probe()
741 	INIT_WORK(&uda1380->work, uda1380_flush_work);  in uda1380_probe()
745 	/* set clock input */  in uda1380_probe()
746 	switch (pdata->dac_clk) {  in uda1380_probe()
759 	if (gpio_is_valid(pdata->gpio_reset))  in uda1380_probe()
760 		gpio_free(pdata->gpio_reset);  in uda1380_probe()
768 	struct uda1380_platform_data *pdata =codec->dev->platform_data;  in uda1380_remove()
772 	gpio_free(pdata->gpio_reset);  in uda1380_remove()
773 	gpio_free(pdata->gpio_power);  in uda1380_remove()
806 	uda1380 = devm_kzalloc(&i2c->dev, sizeof(struct uda1380_priv),  in uda1380_i2c_probe()
809 		return -ENOMEM;  in uda1380_i2c_probe()
812 	uda1380->control_data = i2c;  in uda1380_i2c_probe()
814 	ret =  snd_soc_register_codec(&i2c->dev,  in uda1380_i2c_probe()
821 	snd_soc_unregister_codec(&i2c->dev);  in uda1380_i2c_remove()
833 		.name =  "uda1380-codec",