Commit 33392680 authored by Cliff Cai's avatar Cliff Cai Committed by Takashi Iwai
Browse files

ALSA: ASoC Blackfin: add I2S DAI support for AD73311 



Signed-off-by: default avatarCliff Cai <cliff.cai@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0e77e784

sound/soc/blackfin/bf5xx-i2s.c

+33 −14
Original line number Diff line number Diff line
@@ -70,6 +70,13 @@ static struct sport_param sport_params[2] = { 
	}

};



static u16 sport_req[][7] = {

		{ P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,

		  P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0},

		{ P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,

		  P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0},

};



static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,

		unsigned int fmt)

{
@@ -78,6 +85,14 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, 
	/* interface format:support I2S,slave mode */

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {

	case SND_SOC_DAIFMT_I2S:

		bf5xx_i2s.tcr1 |= TFSR | TCKFE;

		bf5xx_i2s.rcr1 |= RFSR | RCKFE;

		bf5xx_i2s.tcr2 |= TSFSE;

		bf5xx_i2s.rcr2 |= RSFSE;

		break;

	case SND_SOC_DAIFMT_DSP_A:

		bf5xx_i2s.tcr1 |= TFSR;

		bf5xx_i2s.rcr1 |= RFSR;

		break;

	case SND_SOC_DAIFMT_LEFT_J:

		ret = -EINVAL;
@@ -127,14 +142,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, 
	case SNDRV_PCM_FORMAT_S16_LE:

		bf5xx_i2s.tcr2 |= 15;

		bf5xx_i2s.rcr2 |= 15;

		sport_handle->wdsize = 2;

		break;

	case SNDRV_PCM_FORMAT_S24_LE:

		bf5xx_i2s.tcr2 |= 23;

		bf5xx_i2s.rcr2 |= 23;

		sport_handle->wdsize = 3;

		break;

	case SNDRV_PCM_FORMAT_S32_LE:

		bf5xx_i2s.tcr2 |= 31;

		bf5xx_i2s.rcr2 |= 31;

		sport_handle->wdsize = 4;

		break;

	}
@@ -145,17 +163,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, 
		 * need to configure both of them at the time when the first

		 * stream is opened.

		 *

		 * CPU DAI format:I2S, slave mode.

		 * CPU DAI:slave mode.

		 */

		ret = sport_config_rx(sport_handle, RFSR | RCKFE,

				      RSFSE|bf5xx_i2s.rcr2, 0, 0);

		ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1,

				      bf5xx_i2s.rcr2, 0, 0);

		if (ret) {

			pr_err("SPORT is busy!\n");

			return -EBUSY;

		}



		ret = sport_config_tx(sport_handle, TFSR | TCKFE,

				      TSFSE|bf5xx_i2s.tcr2, 0, 0);

		ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1,

				      bf5xx_i2s.tcr2, 0, 0);

		if (ret) {

			pr_err("SPORT is busy!\n");

			return -EBUSY;
@@ -174,13 +192,6 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream) 
static int bf5xx_i2s_probe(struct platform_device *pdev,

			   struct snd_soc_dai *dai)

{

	u16 sport_req[][7] = {

		{ P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,

		  P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0},

		{ P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,

		  P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0},

	};



	pr_debug("%s enter\n", __func__);

	if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {

		pr_err("Requesting Peripherals failed\n");
@@ -198,6 +209,13 @@ static int bf5xx_i2s_probe(struct platform_device *pdev, 
	return 0;

}



static void bf5xx_i2s_remove(struct platform_device *pdev,

			   struct snd_soc_dai *dai)

{

	pr_debug("%s enter\n", __func__);

	peripheral_free_list(&sport_req[sport_num][0]);

}



#ifdef CONFIG_PM

static int bf5xx_i2s_suspend(struct platform_device *dev,

			     struct snd_soc_dai *dai)
@@ -263,15 +281,16 @@ struct snd_soc_dai bf5xx_i2s_dai = { 
	.id = 0,

	.type = SND_SOC_DAI_I2S,

	.probe = bf5xx_i2s_probe,

	.remove = bf5xx_i2s_remove,

	.suspend = bf5xx_i2s_suspend,

	.resume = bf5xx_i2s_resume,

	.playback = {

		.channels_min = 2,

		.channels_min = 1,

		.channels_max = 2,

		.rates = BF5XX_I2S_RATES,

		.formats = BF5XX_I2S_FORMATS,},

	.capture = {

		.channels_min = 2,

		.channels_min = 1,

		.channels_max = 2,

		.rates = BF5XX_I2S_RATES,

		.formats = BF5XX_I2S_FORMATS,},