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Commit eb2d8ec3 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'asoc/topic/fsl', 'asoc/topic/fsl-sai',...

Merge remote-tracking branches 'asoc/topic/fsl', 'asoc/topic/fsl-sai', 'asoc/topic/fsl-spdif', 'asoc/topic/fsl-ssi' and 'asoc/topic/gpio-jack' into asoc-next
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+9 −0
Original line number Original line Diff line number Diff line
#ifndef __AUDIO_JACK_EVENTS_H
#define __AUDIO_JACK_EVENTS_H

#define JACK_HEADPHONE		1
#define JACK_MICROPHONE		2
#define JACK_LINEOUT		3
#define JACK_LINEIN		4

#endif /* __AUDIO_JACK_EVENTS_H */
+2 −2
Original line number Original line Diff line number Diff line
@@ -445,7 +445,7 @@ static int fsl_dma_open(struct snd_pcm_substream *substream)
		return ret;
		return ret;
	}
	}


	dma->assigned = 1;
	dma->assigned = true;


	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
	snd_soc_set_runtime_hwparams(substream, &fsl_dma_hardware);
	snd_soc_set_runtime_hwparams(substream, &fsl_dma_hardware);
@@ -814,7 +814,7 @@ static int fsl_dma_close(struct snd_pcm_substream *substream)
		substream->runtime->private_data = NULL;
		substream->runtime->private_data = NULL;
	}
	}


	dma->assigned = 0;
	dma->assigned = false;


	return 0;
	return 0;
}
}
+135 −6
Original line number Original line Diff line number Diff line
/*
/*
 * Freescale ALSA SoC Digital Audio Interface (SAI) driver.
 * Freescale ALSA SoC Digital Audio Interface (SAI) driver.
 *
 *
 * Copyright 2012-2013 Freescale Semiconductor, Inc.
 * Copyright 2012-2015 Freescale Semiconductor, Inc.
 *
 *
 * This program is free software, you can redistribute it and/or modify it
 * This program is free software, you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * under the terms of the GNU General Public License as published by the
@@ -27,6 +27,17 @@
#define FSL_SAI_FLAGS (FSL_SAI_CSR_SEIE |\
#define FSL_SAI_FLAGS (FSL_SAI_CSR_SEIE |\
		       FSL_SAI_CSR_FEIE)
		       FSL_SAI_CSR_FEIE)


static u32 fsl_sai_rates[] = {
	8000, 11025, 12000, 16000, 22050,
	24000, 32000, 44100, 48000, 64000,
	88200, 96000, 176400, 192000
};

static struct snd_pcm_hw_constraint_list fsl_sai_rate_constraints = {
	.count = ARRAY_SIZE(fsl_sai_rates),
	.list = fsl_sai_rates,
};

static irqreturn_t fsl_sai_isr(int irq, void *devid)
static irqreturn_t fsl_sai_isr(int irq, void *devid)
{
{
	struct fsl_sai *sai = (struct fsl_sai *)devid;
	struct fsl_sai *sai = (struct fsl_sai *)devid;
@@ -251,12 +262,14 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
		break;
		break;
	case SND_SOC_DAIFMT_CBM_CFM:
	case SND_SOC_DAIFMT_CBM_CFM:
		sai->is_slave_mode = true;
		break;
		break;
	case SND_SOC_DAIFMT_CBS_CFM:
	case SND_SOC_DAIFMT_CBS_CFM:
		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
		break;
		break;
	case SND_SOC_DAIFMT_CBM_CFS:
	case SND_SOC_DAIFMT_CBM_CFS:
		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
		sai->is_slave_mode = true;
		break;
		break;
	default:
	default:
		return -EINVAL;
		return -EINVAL;
@@ -288,6 +301,79 @@ static int fsl_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
	return ret;
	return ret;
}
}


static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq)
{
	struct fsl_sai *sai = snd_soc_dai_get_drvdata(dai);
	unsigned long clk_rate;
	u32 savediv = 0, ratio, savesub = freq;
	u32 id;
	int ret = 0;

	/* Don't apply to slave mode */
	if (sai->is_slave_mode)
		return 0;

	for (id = 0; id < FSL_SAI_MCLK_MAX; id++) {
		clk_rate = clk_get_rate(sai->mclk_clk[id]);
		if (!clk_rate)
			continue;

		ratio = clk_rate / freq;

		ret = clk_rate - ratio * freq;

		/*
		 * Drop the source that can not be
		 * divided into the required rate.
		 */
		if (ret != 0 && clk_rate / ret < 1000)
			continue;

		dev_dbg(dai->dev,
			"ratio %d for freq %dHz based on clock %ldHz\n",
			ratio, freq, clk_rate);

		if (ratio % 2 == 0 && ratio >= 2 && ratio <= 512)
			ratio /= 2;
		else
			continue;

		if (ret < savesub) {
			savediv = ratio;
			sai->mclk_id[tx] = id;
			savesub = ret;
		}

		if (ret == 0)
			break;
	}

	if (savediv == 0) {
		dev_err(dai->dev, "failed to derive required %cx rate: %d\n",
				tx ? 'T' : 'R', freq);
		return -EINVAL;
	}

	if ((tx && sai->synchronous[TX]) || (!tx && !sai->synchronous[RX])) {
		regmap_update_bits(sai->regmap, FSL_SAI_RCR2,
				   FSL_SAI_CR2_MSEL_MASK,
				   FSL_SAI_CR2_MSEL(sai->mclk_id[tx]));
		regmap_update_bits(sai->regmap, FSL_SAI_RCR2,
				   FSL_SAI_CR2_DIV_MASK, savediv - 1);
	} else {
		regmap_update_bits(sai->regmap, FSL_SAI_TCR2,
				   FSL_SAI_CR2_MSEL_MASK,
				   FSL_SAI_CR2_MSEL(sai->mclk_id[tx]));
		regmap_update_bits(sai->regmap, FSL_SAI_TCR2,
				   FSL_SAI_CR2_DIV_MASK, savediv - 1);
	}

	dev_dbg(dai->dev, "best fit: clock id=%d, div=%d, deviation =%d\n",
			sai->mclk_id[tx], savediv, savesub);

	return 0;
}

static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params,
		struct snd_pcm_hw_params *params,
		struct snd_soc_dai *cpu_dai)
		struct snd_soc_dai *cpu_dai)
@@ -297,6 +383,24 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
	unsigned int channels = params_channels(params);
	unsigned int channels = params_channels(params);
	u32 word_width = snd_pcm_format_width(params_format(params));
	u32 word_width = snd_pcm_format_width(params_format(params));
	u32 val_cr4 = 0, val_cr5 = 0;
	u32 val_cr4 = 0, val_cr5 = 0;
	int ret;

	if (!sai->is_slave_mode) {
		ret = fsl_sai_set_bclk(cpu_dai, tx,
			2 * word_width * params_rate(params));
		if (ret)
			return ret;

		/* Do not enable the clock if it is already enabled */
		if (!(sai->mclk_streams & BIT(substream->stream))) {
			ret = clk_prepare_enable(sai->mclk_clk[sai->mclk_id[tx]]);
			if (ret)
				return ret;

			sai->mclk_streams |= BIT(substream->stream);
		}

	}


	if (!sai->is_dsp_mode)
	if (!sai->is_dsp_mode)
		val_cr4 |= FSL_SAI_CR4_SYWD(word_width);
		val_cr4 |= FSL_SAI_CR4_SYWD(word_width);
@@ -322,6 +426,22 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
	return 0;
	return 0;
}
}


static int fsl_sai_hw_free(struct snd_pcm_substream *substream,
		struct snd_soc_dai *cpu_dai)
{
	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;

	if (!sai->is_slave_mode &&
			sai->mclk_streams & BIT(substream->stream)) {
		clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[tx]]);
		sai->mclk_streams &= ~BIT(substream->stream);
	}

	return 0;
}


static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd,
static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd,
		struct snd_soc_dai *cpu_dai)
		struct snd_soc_dai *cpu_dai)
{
{
@@ -410,7 +530,10 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream,
	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,
	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,
			   FSL_SAI_CR3_TRCE);
			   FSL_SAI_CR3_TRCE);


	return 0;
	ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
			SNDRV_PCM_HW_PARAM_RATE, &fsl_sai_rate_constraints);

	return ret;
}
}


static void fsl_sai_shutdown(struct snd_pcm_substream *substream,
static void fsl_sai_shutdown(struct snd_pcm_substream *substream,
@@ -428,6 +551,7 @@ static const struct snd_soc_dai_ops fsl_sai_pcm_dai_ops = {
	.set_sysclk	= fsl_sai_set_dai_sysclk,
	.set_sysclk	= fsl_sai_set_dai_sysclk,
	.set_fmt	= fsl_sai_set_dai_fmt,
	.set_fmt	= fsl_sai_set_dai_fmt,
	.hw_params	= fsl_sai_hw_params,
	.hw_params	= fsl_sai_hw_params,
	.hw_free	= fsl_sai_hw_free,
	.trigger	= fsl_sai_trigger,
	.trigger	= fsl_sai_trigger,
	.startup	= fsl_sai_startup,
	.startup	= fsl_sai_startup,
	.shutdown	= fsl_sai_shutdown,
	.shutdown	= fsl_sai_shutdown,
@@ -463,14 +587,18 @@ static struct snd_soc_dai_driver fsl_sai_dai = {
		.stream_name = "CPU-Playback",
		.stream_name = "CPU-Playback",
		.channels_min = 1,
		.channels_min = 1,
		.channels_max = 2,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000_96000,
		.rate_min = 8000,
		.rate_max = 192000,
		.rates = SNDRV_PCM_RATE_KNOT,
		.formats = FSL_SAI_FORMATS,
		.formats = FSL_SAI_FORMATS,
	},
	},
	.capture = {
	.capture = {
		.stream_name = "CPU-Capture",
		.stream_name = "CPU-Capture",
		.channels_min = 1,
		.channels_min = 1,
		.channels_max = 2,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000_96000,
		.rate_min = 8000,
		.rate_max = 192000,
		.rates = SNDRV_PCM_RATE_KNOT,
		.formats = FSL_SAI_FORMATS,
		.formats = FSL_SAI_FORMATS,
	},
	},
	.ops = &fsl_sai_pcm_dai_ops,
	.ops = &fsl_sai_pcm_dai_ops,
@@ -600,8 +728,9 @@ static int fsl_sai_probe(struct platform_device *pdev)
		sai->bus_clk = NULL;
		sai->bus_clk = NULL;
	}
	}


	for (i = 0; i < FSL_SAI_MCLK_MAX; i++) {
	sai->mclk_clk[0] = sai->bus_clk;
		sprintf(tmp, "mclk%d", i + 1);
	for (i = 1; i < FSL_SAI_MCLK_MAX; i++) {
		sprintf(tmp, "mclk%d", i);
		sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp);
		sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp);
		if (IS_ERR(sai->mclk_clk[i])) {
		if (IS_ERR(sai->mclk_clk[i])) {
			dev_err(&pdev->dev, "failed to get mclk%d clock: %ld\n",
			dev_err(&pdev->dev, "failed to get mclk%d clock: %ld\n",
+7 −2
Original line number Original line Diff line number Diff line
@@ -72,13 +72,15 @@


/* SAI Transmit and Recieve Configuration 2 Register */
/* SAI Transmit and Recieve Configuration 2 Register */
#define FSL_SAI_CR2_SYNC	BIT(30)
#define FSL_SAI_CR2_SYNC	BIT(30)
#define FSL_SAI_CR2_MSEL_MASK	(0xff << 26)
#define FSL_SAI_CR2_MSEL_MASK	(0x3 << 26)
#define FSL_SAI_CR2_MSEL_BUS	0
#define FSL_SAI_CR2_MSEL_BUS	0
#define FSL_SAI_CR2_MSEL_MCLK1	BIT(26)
#define FSL_SAI_CR2_MSEL_MCLK1	BIT(26)
#define FSL_SAI_CR2_MSEL_MCLK2	BIT(27)
#define FSL_SAI_CR2_MSEL_MCLK2	BIT(27)
#define FSL_SAI_CR2_MSEL_MCLK3	(BIT(26) | BIT(27))
#define FSL_SAI_CR2_MSEL_MCLK3	(BIT(26) | BIT(27))
#define FSL_SAI_CR2_MSEL(ID)	((ID) << 26)
#define FSL_SAI_CR2_BCP		BIT(25)
#define FSL_SAI_CR2_BCP		BIT(25)
#define FSL_SAI_CR2_BCD_MSTR	BIT(24)
#define FSL_SAI_CR2_BCD_MSTR	BIT(24)
#define FSL_SAI_CR2_DIV_MASK	0xff


/* SAI Transmit and Recieve Configuration 3 Register */
/* SAI Transmit and Recieve Configuration 3 Register */
#define FSL_SAI_CR3_TRCE	BIT(16)
#define FSL_SAI_CR3_TRCE	BIT(16)
@@ -120,7 +122,7 @@
#define FSL_SAI_CLK_MAST2	2
#define FSL_SAI_CLK_MAST2	2
#define FSL_SAI_CLK_MAST3	3
#define FSL_SAI_CLK_MAST3	3


#define FSL_SAI_MCLK_MAX	3
#define FSL_SAI_MCLK_MAX	4


/* SAI data transfer numbers per DMA request */
/* SAI data transfer numbers per DMA request */
#define FSL_SAI_MAXBURST_TX 6
#define FSL_SAI_MAXBURST_TX 6
@@ -132,11 +134,14 @@ struct fsl_sai {
	struct clk *bus_clk;
	struct clk *bus_clk;
	struct clk *mclk_clk[FSL_SAI_MCLK_MAX];
	struct clk *mclk_clk[FSL_SAI_MCLK_MAX];


	bool is_slave_mode;
	bool is_lsb_first;
	bool is_lsb_first;
	bool is_dsp_mode;
	bool is_dsp_mode;
	bool sai_on_imx;
	bool sai_on_imx;
	bool synchronous[2];
	bool synchronous[2];


	unsigned int mclk_id[2];
	unsigned int mclk_streams;
	struct snd_dmaengine_dai_dma_data dma_params_rx;
	struct snd_dmaengine_dai_dma_data dma_params_rx;
	struct snd_dmaengine_dai_dma_data dma_params_tx;
	struct snd_dmaengine_dai_dma_data dma_params_tx;
};
};
+4 −6
Original line number Original line Diff line number Diff line
@@ -417,11 +417,9 @@ static int spdif_set_sample_rate(struct snd_pcm_substream *substream,
	if (clk != STC_TXCLK_SPDIF_ROOT)
	if (clk != STC_TXCLK_SPDIF_ROOT)
		goto clk_set_bypass;
		goto clk_set_bypass;


	/*
	/* The S/PDIF block needs a clock of 64 * fs * txclk_df */
	 * The S/PDIF block needs a clock of 64 * fs * txclk_df.
	ret = clk_set_rate(spdif_priv->txclk[rate],
	 * So request 64 * fs * (txclk_df + 1) to get rounded.
			   64 * sample_rate * txclk_df);
	 */
	ret = clk_set_rate(spdif_priv->txclk[rate], 64 * sample_rate * (txclk_df + 1));
	if (ret) {
	if (ret) {
		dev_err(&pdev->dev, "failed to set tx clock rate\n");
		dev_err(&pdev->dev, "failed to set tx clock rate\n");
		return ret;
		return ret;
@@ -1060,7 +1058,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,


	for (sysclk_df = sysclk_dfmin; sysclk_df <= sysclk_dfmax; sysclk_df++) {
	for (sysclk_df = sysclk_dfmin; sysclk_df <= sysclk_dfmax; sysclk_df++) {
		for (txclk_df = 1; txclk_df <= 128; txclk_df++) {
		for (txclk_df = 1; txclk_df <= 128; txclk_df++) {
			rate_ideal = rate[index] * (txclk_df + 1) * 64;
			rate_ideal = rate[index] * txclk_df * 64;
			if (round)
			if (round)
				rate_actual = clk_round_rate(clk, rate_ideal);
				rate_actual = clk_round_rate(clk, rate_ideal);
			else
			else
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