Пример #1
0
static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	u32 dai_cfg1;
	u32 dai_cfg3;

	dai_cfg1 = 0x7f & da7210_read(codec, DA7210_DAI_CFG1);
	dai_cfg3 = 0xfc & da7210_read(codec, DA7210_DAI_CFG3);

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		dai_cfg1 |= DA7210_DAI_MODE_MASTER;
		break;
	default:
		return -EINVAL;
	}

	/* FIXME
	 *
	 * It support I2S only now
	 */
	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		dai_cfg3 |= DA7210_DAI_FORMAT_I2SMODE;
		break;
	default:
		return -EINVAL;
	}

	/* FIXME
	 *
	 * It support 64bit data transmission only now
	 */
	dai_cfg1 |= DA7210_DAI_FLEN_64BIT;

	da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
	da7210_write(codec, DA7210_DAI_CFG3, dai_cfg3);

	return 0;
}
Пример #2
0
static int da7210_init(struct da7210_priv *da7210)
{
	struct snd_soc_codec *codec = &da7210->codec;
	int ret = 0;

	if (da7210_codec) {
		dev_err(codec->dev, "Another da7210 is registered\n");
		return -EINVAL;
	}

	mutex_init(&codec->mutex);
	INIT_LIST_HEAD(&codec->dapm_widgets);
	INIT_LIST_HEAD(&codec->dapm_paths);

	snd_soc_codec_set_drvdata(codec, da7210);
	codec->name		= "DA7210";
	codec->owner		= THIS_MODULE;
	codec->read		= da7210_read;
	codec->write		= da7210_write;
	codec->dai		= &da7210_dai;
	codec->num_dai		= 1;
	codec->hw_write		= (hw_write_t)i2c_master_send;
	codec->reg_cache_size	= ARRAY_SIZE(da7210_reg);
	codec->reg_cache	= kmemdup(da7210_reg,
					  sizeof(da7210_reg), GFP_KERNEL);

	if (!codec->reg_cache)
		return -ENOMEM;

	da7210_dai.dev = codec->dev;
	da7210_codec = codec;

	ret = snd_soc_register_codec(codec);
	if (ret) {
		dev_err(codec->dev, "Failed to register CODEC: %d\n", ret);
		goto init_err;
	}

	ret = snd_soc_register_dai(&da7210_dai);
	if (ret) {
		dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
		goto init_err;
	}

	/* FIXME
	 *
	 * This driver use fixed value here
	 * And below settings expects MCLK = 12.288MHz
	 *
	 * When you select different MCLK, please check...
	 *      DA7210_PLL_DIV1 val
	 *      DA7210_PLL_DIV2 val
	 *      DA7210_PLL_DIV3 val
	 *      DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
	 */

	/*
	 * make sure that DA7210 use bypass mode before start up
	 */
	da7210_write(codec, DA7210_STARTUP1, 0);
	da7210_write(codec, DA7210_PLL_DIV3,
		     DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);

	/*
	 * ADC settings
	 */

	/* Enable Left & Right MIC PGA and Mic Bias */
	da7210_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
	da7210_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);

	/* Enable Left and Right input PGA */
	da7210_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
	da7210_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);

	/* Enable Left and Right ADC */
	da7210_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);

	/*
	 * DAC settings
	 */

	/* Enable Left and Right DAC */
	da7210_write(codec, DA7210_DAC_SEL,
		     DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN |
		     DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN);

	/* Enable Left and Right out PGA */
	da7210_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
	da7210_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);

	/* Enable Left and Right HeadPhone PGA */
	da7210_write(codec, DA7210_HP_CFG,
		     DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
		     DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN);

	/* Diable PLL and bypass it */
	da7210_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);

	/*
	 * If 48kHz sound came, it use bypass mode,
	 * and when it is 44.1kHz, it use PLL.
	 *
	 * This time, this driver sets PLL always ON
	 * and controls bypass/PLL mode by switching
	 * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
	 *   see da7210_hw_params
	 */
	da7210_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
	da7210_write(codec, DA7210_PLL_DIV2, 0x99);
	da7210_write(codec, DA7210_PLL_DIV3, 0x0A |
		     DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
	snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);

	/* As suggested by Dialog */
	da7210_write(codec, DA7210_A_HID_UNLOCK,	0x8B); /* unlock */
	da7210_write(codec, DA7210_A_TEST_UNLOCK,	0xB4);
	da7210_write(codec, DA7210_A_PLL1,		0x01);
	da7210_write(codec, DA7210_A_CP_MODE,		0x7C);
	da7210_write(codec, DA7210_A_HID_UNLOCK,	0x00); /* re-lock */
	da7210_write(codec, DA7210_A_TEST_UNLOCK,	0x00);

	/* Activate all enabled subsystem */
	da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);

	return ret;

init_err:
	kfree(codec->reg_cache);
	codec->reg_cache = NULL;

	return ret;

}
Пример #3
0
static int da7210_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *params,
			    struct snd_soc_dai *dai)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_device *socdev = rtd->socdev;
	struct snd_soc_codec *codec = socdev->card->codec;
	u32 dai_cfg1;
	u32 hpf_reg, hpf_mask, hpf_value;
	u32 fs, bypass;

	/* set DAI source to Left and Right ADC */
	da7210_write(codec, DA7210_DAI_SRC_SEL,
		     DA7210_DAI_OUT_R_SRC | DA7210_DAI_OUT_L_SRC);

	/* Enable DAI */
	da7210_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN);

	dai_cfg1 = 0xFC & da7210_read(codec, DA7210_DAI_CFG1);

	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S16_LE:
		dai_cfg1 |= DA7210_DAI_WORD_S16_LE;
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
		dai_cfg1 |= DA7210_DAI_WORD_S24_LE;
		break;
	default:
		return -EINVAL;
	}

	da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);

	hpf_reg = (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) ?
		DA7210_DAC_HPF : DA7210_ADC_HPF;

	switch (params_rate(params)) {
	case 8000:
		fs		= DA7210_PLL_FS_8000;
		hpf_mask	= DA7210_VOICE_F0_MASK	| DA7210_VOICE_EN;
		hpf_value	= DA7210_VOICE_F0_25	| DA7210_VOICE_EN;
		bypass		= DA7210_PLL_BYP;
		break;
	case 11025:
		fs		= DA7210_PLL_FS_11025;
		hpf_mask	= DA7210_VOICE_F0_MASK	| DA7210_VOICE_EN;
		hpf_value	= DA7210_VOICE_F0_25	| DA7210_VOICE_EN;
		bypass		= 0;
		break;
	case 12000:
		fs		= DA7210_PLL_FS_12000;
		hpf_mask	= DA7210_VOICE_F0_MASK	| DA7210_VOICE_EN;
		hpf_value	= DA7210_VOICE_F0_25	| DA7210_VOICE_EN;
		bypass		= DA7210_PLL_BYP;
		break;
	case 16000:
		fs		= DA7210_PLL_FS_16000;
		hpf_mask	= DA7210_VOICE_F0_MASK	| DA7210_VOICE_EN;
		hpf_value	= DA7210_VOICE_F0_25	| DA7210_VOICE_EN;
		bypass		= DA7210_PLL_BYP;
		break;
	case 22050:
		fs		= DA7210_PLL_FS_22050;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= 0;
		break;
	case 32000:
		fs		= DA7210_PLL_FS_32000;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= DA7210_PLL_BYP;
		break;
	case 44100:
		fs		= DA7210_PLL_FS_44100;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= 0;
		break;
	case 48000:
		fs		= DA7210_PLL_FS_48000;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= DA7210_PLL_BYP;
		break;
	case 88200:
		fs		= DA7210_PLL_FS_88200;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= 0;
		break;
	case 96000:
		fs		= DA7210_PLL_FS_96000;
		hpf_mask	= DA7210_VOICE_EN;
		hpf_value	= 0;
		bypass		= DA7210_PLL_BYP;
		break;
	default:
		return -EINVAL;
	}

	/* Disable active mode */
	snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);

	snd_soc_update_bits(codec, hpf_reg, hpf_mask, hpf_value);
	snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
	snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass);

	/* Enable active mode */
	snd_soc_update_bits(codec, DA7210_STARTUP1,
			    DA7210_SC_MST_EN, DA7210_SC_MST_EN);

	return 0;
}
Пример #4
0
static int da7210_probe(struct snd_soc_codec *codec)
{
	struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);

	dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);

	codec->control_data	= da7210->control_data;
	codec->hw_write		= (hw_write_t)i2c_master_send;

	/* FIXME
	 *
	 * This driver use fixed value here
	 * And below settings expects MCLK = 12.288MHz
	 *
	 * When you select different MCLK, please check...
	 *      DA7210_PLL_DIV1 val
	 *      DA7210_PLL_DIV2 val
	 *      DA7210_PLL_DIV3 val
	 *      DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
	 */

	/*
	 * make sure that DA7210 use bypass mode before start up
	 */
	da7210_write(codec, DA7210_STARTUP1, 0);
	da7210_write(codec, DA7210_PLL_DIV3,
		     DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);

	/*
	 * ADC settings
	 */

	/* Enable Left & Right MIC PGA and Mic Bias */
	da7210_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
	da7210_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);

	/* Enable Left and Right input PGA */
	da7210_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
	da7210_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);

	/* Enable Left and Right ADC */
	da7210_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);

	/*
	 * DAC settings
	 */

	/* Enable Left and Right DAC */
	da7210_write(codec, DA7210_DAC_SEL,
		     DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN |
		     DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN);

	/* Enable Left and Right out PGA */
	da7210_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
	da7210_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);

	/* Enable Left and Right HeadPhone PGA */
	da7210_write(codec, DA7210_HP_CFG,
		     DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
		     DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN);

	/* Diable PLL and bypass it */
	da7210_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);

	/*
	 * If 48kHz sound came, it use bypass mode,
	 * and when it is 44.1kHz, it use PLL.
	 *
	 * This time, this driver sets PLL always ON
	 * and controls bypass/PLL mode by switching
	 * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
	 *   see da7210_hw_params
	 */
	da7210_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
	da7210_write(codec, DA7210_PLL_DIV2, 0x99);
	da7210_write(codec, DA7210_PLL_DIV3, 0x0A |
		     DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
	snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);

	/* As suggested by Dialog */
	da7210_write(codec, DA7210_A_HID_UNLOCK,	0x8B); /* unlock */
	da7210_write(codec, DA7210_A_TEST_UNLOCK,	0xB4);
	da7210_write(codec, DA7210_A_PLL1,		0x01);
	da7210_write(codec, DA7210_A_CP_MODE,		0x7C);
	da7210_write(codec, DA7210_A_HID_UNLOCK,	0x00); /* re-lock */
	da7210_write(codec, DA7210_A_TEST_UNLOCK,	0x00);

	/* Activate all enabled subsystem */
	da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);

	snd_soc_add_controls(codec, da7210_snd_controls,
			     ARRAY_SIZE(da7210_snd_controls));

	dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);

	return 0;
}