soc/codecs/wm8988.c

2  * wm8988.c -- WM8988 ALSA SoC audio driver
20 #include <linux/spi/spi.h>
105 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
106 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
107 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
108 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
109 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
118 SOC_ENUM("Treble Cut-off", treble),
122 SOC_ENUM("3D Lower Cut-off", stereo_3d_lc),
123 SOC_ENUM("3D Upper Cut-off", stereo_3d_uc),
146 SOC_ENUM("Playback De-emphasis", deemph),
182 	struct snd_soc_codec *codec = w->codec;  in wm8988_lrc_control()
235 /* Left PGA Mux */
244 /* Right PGA Mux */
253 /* Differential Mux */
260 /* Mono ADC Mux */
271 	SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
273 	SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
275 	SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
278 	SND_SOC_DAPM_MUX("Left PGA Mux", WM8988_PWR1, 5, 0,
280 	SND_SOC_DAPM_MUX("Right PGA Mux", WM8988_PWR1, 4, 0,
283 	SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
285 	SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
322 	{ "Left Line Mux", "Line 1", "LINPUT1" },
323 	{ "Left Line Mux", "Line 2", "LINPUT2" },
324 	{ "Left Line Mux", "PGA", "Left PGA Mux" },
325 	{ "Left Line Mux", "Differential", "Differential Mux" },
327 	{ "Right Line Mux", "Line 1", "RINPUT1" },
328 	{ "Right Line Mux", "Line 2", "RINPUT2" },
329 	{ "Right Line Mux", "PGA", "Right PGA Mux" },
330 	{ "Right Line Mux", "Differential", "Differential Mux" },
332 	{ "Left PGA Mux", "Line 1", "LINPUT1" },
333 	{ "Left PGA Mux", "Line 2", "LINPUT2" },
334 	{ "Left PGA Mux", "Differential", "Differential Mux" },
336 	{ "Right PGA Mux", "Line 1", "RINPUT1" },
337 	{ "Right PGA Mux", "Line 2", "RINPUT2" },
338 	{ "Right PGA Mux", "Differential", "Differential Mux" },
340 	{ "Differential Mux", "Line 1", "LINPUT1" },
341 	{ "Differential Mux", "Line 1", "RINPUT1" },
342 	{ "Differential Mux", "Line 2", "LINPUT2" },
343 	{ "Differential Mux", "Line 2", "RINPUT2" },
345 	{ "Left ADC Mux", "Stereo", "Left PGA Mux" },
346 	{ "Left ADC Mux", "Mono (Left)", "Left PGA Mux" },
347 	{ "Left ADC Mux", "Digital Mono", "Left PGA Mux" },
349 	{ "Right ADC Mux", "Stereo", "Right PGA Mux" },
350 	{ "Right ADC Mux", "Mono (Right)", "Right PGA Mux" },
351 	{ "Right ADC Mux", "Digital Mono", "Right PGA Mux" },
353 	{ "Left ADC", NULL, "Left ADC Mux" },
354 	{ "Right ADC", NULL, "Right ADC Mux" },
356 	{ "Left Line Mux", "Line 1", "LINPUT1" },
357 	{ "Left Line Mux", "Line 2", "LINPUT2" },
358 	{ "Left Line Mux", "PGA", "Left PGA Mux" },
359 	{ "Left Line Mux", "Differential", "Differential Mux" },
361 	{ "Right Line Mux", "Line 1", "RINPUT1" },
362 	{ "Right Line Mux", "Line 2", "RINPUT2" },
363 	{ "Right Line Mux", "PGA", "Right PGA Mux" },
364 	{ "Right Line Mux", "Differential", "Differential Mux" },
367 	{ "Left Mixer", "Left Bypass Switch", "Left Line Mux" },
369 	{ "Left Mixer", "Right Bypass Switch", "Right Line Mux" },
372 	{ "Right Mixer", "Left Bypass Switch", "Left Line Mux" },
374 	{ "Right Mixer", "Right Bypass Switch", "Right Line Mux" },
454 	return -EINVAL;  in get_coeff()
493 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8988_set_dai_sysclk()
501 		wm8988->sysclk_constraints = &constraints_112896;  in wm8988_set_dai_sysclk()
502 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
509 		wm8988->sysclk_constraints = &constraints_12288;  in wm8988_set_dai_sysclk()
510 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
515 		wm8988->sysclk_constraints = &constraints_12;  in wm8988_set_dai_sysclk()
516 		wm8988->sysclk = freq;  in wm8988_set_dai_sysclk()
519 	return -EINVAL;  in wm8988_set_dai_sysclk()
525 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8988_set_dai_fmt()
536 		return -EINVAL;  in wm8988_set_dai_fmt()
556 		return -EINVAL;  in wm8988_set_dai_fmt()
573 		return -EINVAL;  in wm8988_set_dai_fmt()
583 	struct snd_soc_codec *codec = dai->codec;  in wm8988_pcm_startup()
587 	 * MCLK supplied to the CODEC - enforce this.  in wm8988_pcm_startup()
589 	if (!wm8988->sysclk) {  in wm8988_pcm_startup()
590 		dev_err(codec->dev,  in wm8988_pcm_startup()
592 		return -EINVAL;  in wm8988_pcm_startup()
595 	snd_pcm_hw_constraint_list(substream->runtime, 0,  in wm8988_pcm_startup()
597 				   wm8988->sysclk_constraints);  in wm8988_pcm_startup()
606 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in wm8988_pcm_hw_params()
607 	struct snd_soc_codec *codec = rtd->codec;  in wm8988_pcm_hw_params()
613 	coeff = get_coeff(wm8988->sysclk, params_rate(params));  in wm8988_pcm_hw_params()
615 		coeff = get_coeff(wm8988->sysclk / 2, params_rate(params));  in wm8988_pcm_hw_params()
619 		dev_err(codec->dev,  in wm8988_pcm_hw_params()
621 			params_rate(params), wm8988->sysclk);  in wm8988_pcm_hw_params()
651 	struct snd_soc_codec *codec = dai->codec;  in wm8988_mute()
676 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {  in wm8988_set_bias_level()
694 	codec->dapm.bias_level = level;  in wm8988_set_bias_level()
712 	.name = "wm8988-hifi",
746 	struct snd_soc_dapm_context *dapm = &codec->dapm;  in wm8988_probe()
749 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8988->control_type);  in wm8988_probe()
751 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);  in wm8988_probe()
757 		dev_err(codec->dev, "Failed to issue reset\n");  in wm8988_probe()
797 static int __devinit wm8988_spi_probe(struct spi_device *spi)  in wm8988_spi_probe()  argument
804 		return -ENOMEM;  in wm8988_spi_probe()
806 	wm8988->control_type = SND_SOC_SPI;  in wm8988_spi_probe()
807 	spi_set_drvdata(spi, wm8988);  in wm8988_spi_probe()
809 	ret = snd_soc_register_codec(&spi->dev,  in wm8988_spi_probe()
816 static int __devexit wm8988_spi_remove(struct spi_device *spi)  in wm8988_spi_remove()  argument
818 	snd_soc_unregister_codec(&spi->dev);  in wm8988_spi_remove()
819 	kfree(spi_get_drvdata(spi));  in wm8988_spi_remove()
842 		return -ENOMEM;  in wm8988_i2c_probe()
845 	wm8988->control_type = SND_SOC_I2C;  in wm8988_i2c_probe()
847 	ret =  snd_soc_register_codec(&i2c->dev,  in wm8988_i2c_probe()
856 	snd_soc_unregister_codec(&client->dev);  in wm8988_i2c_remove()
869 		.name = "wm8988-codec",
891 		printk(KERN_ERR "Failed to register WM8988 SPI driver: %d\n",  in wm8988_modinit()