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Commit 02dc14d6 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'asoc/topic/wm8741', 'asoc/topic/wm8753',... 

Merge remote-tracking branches 'asoc/topic/wm8741', 'asoc/topic/wm8753', 'asoc/topic/wm8904', 'asoc/topic/wm8960' and 'asoc/topic/wm8983' into asoc-next
parents 384ea793 84eac619 b9704998 779ea473 3176bf2d 85e71184

sound/soc/codecs/wm8741.c

+14 −48
Original line number Diff line number Diff line
@@ -61,25 +61,6 @@ static const struct reg_default wm8741_reg_defaults[] = { 
	{ 32, 0x0002 },     /* R32 - ADDITONAL_CONTROL_1 */

};



static bool wm8741_readable(struct device *dev, unsigned int reg)

{

	switch (reg) {

	case WM8741_DACLLSB_ATTENUATION:

	case WM8741_DACLMSB_ATTENUATION:

	case WM8741_DACRLSB_ATTENUATION:

	case WM8741_DACRMSB_ATTENUATION:

	case WM8741_VOLUME_CONTROL:

	case WM8741_FORMAT_CONTROL:

	case WM8741_FILTER_CONTROL:

	case WM8741_MODE_CONTROL_1:

	case WM8741_MODE_CONTROL_2:

	case WM8741_ADDITIONAL_CONTROL_1:

		return true;

	default:

		return false;

	}

}



static int wm8741_reset(struct snd_soc_codec *codec)

{

	return snd_soc_write(codec, WM8741_RESET, 0);
@@ -278,52 +259,39 @@ static int wm8741_set_dai_sysclk(struct snd_soc_dai *codec_dai, 
	switch (freq) {

	case 0:

		wm8741->sysclk_constraints = NULL;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 11289600:

		wm8741->sysclk_constraints = &constraints_11289;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 12288000:

		wm8741->sysclk_constraints = &constraints_12288;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 16384000:

		wm8741->sysclk_constraints = &constraints_16384;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 16934400:

		wm8741->sysclk_constraints = &constraints_16934;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 18432000:

		wm8741->sysclk_constraints = &constraints_18432;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 22579200:

	case 33868800:

		wm8741->sysclk_constraints = &constraints_22579;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 24576000:

		wm8741->sysclk_constraints = &constraints_24576;

		wm8741->sysclk = freq;

		return 0;



		break;

	case 36864000:

		wm8741->sysclk_constraints = &constraints_36864;

		break;

	default:

		return -EINVAL;

	}



	wm8741->sysclk = freq;

	return 0;

}

	return -EINVAL;

}



static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,

		unsigned int fmt)
@@ -554,8 +522,6 @@ static const struct regmap_config wm8741_regmap = { 
	.reg_defaults = wm8741_reg_defaults,

	.num_reg_defaults = ARRAY_SIZE(wm8741_reg_defaults),

	.cache_type = REGCACHE_RBTREE,



	.readable_reg = wm8741_readable,

};



static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741)

sound/soc/codecs/wm8753.c

+0 −6
Original line number Diff line number Diff line
@@ -138,11 +138,6 @@ static bool wm8753_volatile(struct device *dev, unsigned int reg) 
	return reg == WM8753_RESET;

}



static bool wm8753_writeable(struct device *dev, unsigned int reg)

{

	return reg <= WM8753_ADCTL2;

}



/* codec private data */

struct wm8753_priv {

	struct regmap *regmap;
@@ -1509,7 +1504,6 @@ static const struct regmap_config wm8753_regmap = { 
	.val_bits = 9,



	.max_register = WM8753_ADCTL2,

	.writeable_reg = wm8753_writeable,

	.volatile_reg = wm8753_volatile,



	.cache_type = REGCACHE_RBTREE,

sound/soc/codecs/wm8904.c

+3 −1
Original line number Diff line number Diff line
@@ -1837,7 +1837,9 @@ static int wm8904_set_bias_level(struct snd_soc_codec *codec, 


	switch (level) {

	case SND_SOC_BIAS_ON:

		clk_prepare_enable(wm8904->mclk);

		ret = clk_prepare_enable(wm8904->mclk);

		if (ret)

			return ret;

		break;



	case SND_SOC_BIAS_PREPARE:

sound/soc/codecs/wm8960.c

+179 −41
Original line number Diff line number Diff line
@@ -48,6 +48,9 @@ 
#define WM8960_DISOP     0x40

#define WM8960_DRES_MASK 0x30



static bool is_pll_freq_available(unsigned int source, unsigned int target);

static int wm8960_set_pll(struct snd_soc_codec *codec,

		unsigned int freq_in, unsigned int freq_out);

/*

 * wm8960 register cache

 * We can't read the WM8960 register space when we are
@@ -126,9 +129,12 @@ struct wm8960_priv { 
	struct snd_soc_dapm_widget *rout1;

	struct snd_soc_dapm_widget *out3;

	bool deemph;

	int playback_fs;

	int lrclk;

	int bclk;

	int sysclk;

	int clk_id;

	int freq_in;

	bool is_stream_in_use[2];

	struct wm8960_data pdata;

};
@@ -164,8 +170,8 @@ static int wm8960_set_deemph(struct snd_soc_codec *codec) 
	if (wm8960->deemph) {

		best = 1;

		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {

			if (abs(deemph_settings[i] - wm8960->playback_fs) <

			    abs(deemph_settings[best] - wm8960->playback_fs))

			if (abs(deemph_settings[i] - wm8960->lrclk) <

			    abs(deemph_settings[best] - wm8960->lrclk))

				best = i;

		}
@@ -565,6 +571,9 @@ static struct { 
	{  8000, 5 },

};



/* -1 for reserved value */

static const int sysclk_divs[] = { 1, -1, 2, -1 };



/* Multiply 256 for internal 256 div */

static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
@@ -574,61 +583,110 @@ static const int bclk_divs[] = { 
	120, 160, 220, 240, 320, 320, 320

};



static void wm8960_configure_clocking(struct snd_soc_codec *codec,

		bool tx, int lrclk)

static int wm8960_configure_clocking(struct snd_soc_codec *codec)

{

	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);

	int sysclk, bclk, lrclk, freq_out, freq_in;

	u16 iface1 = snd_soc_read(codec, WM8960_IFACE1);

	u16 iface2 = snd_soc_read(codec, WM8960_IFACE2);

	u32 sysclk;

	int i, j;

	int i, j, k;



	if (!(iface1 & (1<<6))) {

		dev_dbg(codec->dev,

			"Codec is slave mode, no need to configure clock\n");

		return;

		return 0;

	}



	if (!wm8960->sysclk) {

		dev_dbg(codec->dev, "No SYSCLK configured\n");

		return;

	if (wm8960->clk_id != WM8960_SYSCLK_MCLK && !wm8960->freq_in) {

		dev_err(codec->dev, "No MCLK configured\n");

		return -EINVAL;

	}



	if (!wm8960->bclk || !lrclk) {

		dev_dbg(codec->dev, "No audio clocks configured\n");

		return;

	freq_in = wm8960->freq_in;

	bclk = wm8960->bclk;

	lrclk = wm8960->lrclk;

	/*

	 * If it's sysclk auto mode, check if the MCLK can provide sysclk or

	 * not. If MCLK can provide sysclk, using MCLK to provide sysclk

	 * directly. Otherwise, auto select a available pll out frequency

	 * and set PLL.

	 */

	if (wm8960->clk_id == WM8960_SYSCLK_AUTO) {

		/* disable the PLL and using MCLK to provide sysclk */

		wm8960_set_pll(codec, 0, 0);

		freq_out = freq_in;

	} else if (wm8960->sysclk) {

		freq_out = wm8960->sysclk;

	} else {

		dev_err(codec->dev, "No SYSCLK configured\n");

		return -EINVAL;

	}



	for (i = 0; i < ARRAY_SIZE(dac_divs); ++i) {

		if (wm8960->sysclk == lrclk * dac_divs[i]) {

			for (j = 0; j < ARRAY_SIZE(bclk_divs); ++j) {

				sysclk = wm8960->bclk * bclk_divs[j] / 10;

				if (wm8960->sysclk == sysclk)

	/* check if the sysclk frequency is available. */

	for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {

		if (sysclk_divs[i] == -1)

			continue;

		sysclk = freq_out / sysclk_divs[i];

		for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {

			if (sysclk == dac_divs[j] * lrclk) {

				for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k)

					if (sysclk == bclk * bclk_divs[k] / 10)

						break;

				if (k != ARRAY_SIZE(bclk_divs))

					break;

			}

			if(j != ARRAY_SIZE(bclk_divs))

		}

		if (j != ARRAY_SIZE(dac_divs))

			break;

	}



	if (i != ARRAY_SIZE(sysclk_divs)) {

		goto configure_clock;

	} else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) {

		dev_err(codec->dev, "failed to configure clock\n");

		return -EINVAL;

	}

	/* get a available pll out frequency and set pll */

	for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {

		if (sysclk_divs[i] == -1)

			continue;

		for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {

			sysclk = lrclk * dac_divs[j];

			freq_out = sysclk * sysclk_divs[i];



			for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {

				if (sysclk == bclk * bclk_divs[k] / 10 &&

				    is_pll_freq_available(freq_in, freq_out)) {

					wm8960_set_pll(codec,

						       freq_in, freq_out);

					break;

				} else {

					continue;

				}

			}

			if (k != ARRAY_SIZE(bclk_divs))

				break;

		}

		if (j != ARRAY_SIZE(dac_divs))

			break;

	}



	if (i == ARRAY_SIZE(dac_divs)) {

		dev_err(codec->dev, "Unsupported sysclk %d\n", wm8960->sysclk);

		return;

	if (i == ARRAY_SIZE(sysclk_divs)) {

		dev_err(codec->dev, "failed to configure clock\n");

		return -EINVAL;

	}



	/*

	 * configure frame clock. If ADCLRC configure as GPIO pin, DACLRC

	 * pin is used as a frame clock for ADCs and DACs.

	 */

	if (iface2 & (1<<6))

		snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, i << 3);

	else if (tx)

		snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, i << 3);

	else if (!tx)

		snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 6, i << 6);

configure_clock:

	/* configure sysclk clock */

	snd_soc_update_bits(codec, WM8960_CLOCK1, 3 << 1, i << 1);



	/* configure frame clock */

	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, j << 3);

	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 6, j << 6);



	/* configure bit clock */

	snd_soc_update_bits(codec, WM8960_CLOCK2, 0xf, j);

	snd_soc_update_bits(codec, WM8960_CLOCK2, 0xf, k);



	return 0;

}



static int wm8960_hw_params(struct snd_pcm_substream *substream,
@@ -667,9 +725,9 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream, 
		return -EINVAL;

	}



	wm8960->lrclk = params_rate(params);

	/* Update filters for the new rate */

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		wm8960->playback_fs = params_rate(params);

	if (tx) {

		wm8960_set_deemph(codec);

	} else {

		for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
@@ -682,7 +740,23 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream, 
	/* set iface */

	snd_soc_write(codec, WM8960_IFACE1, iface);



	wm8960_configure_clocking(codec, tx, params_rate(params));

	wm8960->is_stream_in_use[tx] = true;



	if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON &&

	    !wm8960->is_stream_in_use[!tx])

		return wm8960_configure_clocking(codec);



	return 0;

}



static int wm8960_hw_free(struct snd_pcm_substream *substream,

		struct snd_soc_dai *dai)

{

	struct snd_soc_codec *codec = dai->codec;

	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);

	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;



	wm8960->is_stream_in_use[tx] = false;



	return 0;

}
@@ -702,6 +776,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, 
				      enum snd_soc_bias_level level)

{

	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);

	u16 pm2 = snd_soc_read(codec, WM8960_POWER2);

	int ret;



	switch (level) {
@@ -721,11 +796,22 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, 
				}

			}



			ret = wm8960_configure_clocking(codec);

			if (ret)

				return ret;



			/* Set VMID to 2x50k */

			snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);

			break;



		case SND_SOC_BIAS_ON:

			/*

			 * If it's sysclk auto mode, and the pll is enabled,

			 * disable the pll

			 */

			if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))

				wm8960_set_pll(codec, 0, 0);



			if (!IS_ERR(wm8960->mclk))

				clk_disable_unprepare(wm8960->mclk);

			break;
@@ -780,6 +866,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, 
					 enum snd_soc_bias_level level)

{

	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);

	u16 pm2 = snd_soc_read(codec, WM8960_POWER2);

	int reg, ret;



	switch (level) {
@@ -831,9 +918,21 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, 
					return ret;

				}

			}



			ret = wm8960_configure_clocking(codec);

			if (ret)

				return ret;



			break;



		case SND_SOC_BIAS_ON:

			/*

			 * If it's sysclk auto mode, and the pll is enabled,

			 * disable the pll

			 */

			if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))

				wm8960_set_pll(codec, 0, 0);



			if (!IS_ERR(wm8960->mclk))

				clk_disable_unprepare(wm8960->mclk);
@@ -892,6 +991,28 @@ struct _pll_div { 
	u32 k:24;

};



static bool is_pll_freq_available(unsigned int source, unsigned int target)

{

	unsigned int Ndiv;



	if (source == 0 || target == 0)

		return false;



	/* Scale up target to PLL operating frequency */

	target *= 4;

	Ndiv = target / source;



	if (Ndiv < 6) {

		source >>= 1;

		Ndiv = target / source;

	}



	if ((Ndiv < 6) || (Ndiv > 12))

		return false;



	return true;

}



/* The size in bits of the pll divide multiplied by 10

 * to allow rounding later */

#define FIXED_PLL_SIZE ((1 << 24) * 10)
@@ -943,10 +1064,9 @@ static int pll_factors(unsigned int source, unsigned int target, 
	return 0;

}



static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,

		int source, unsigned int freq_in, unsigned int freq_out)

static int wm8960_set_pll(struct snd_soc_codec *codec,

		unsigned int freq_in, unsigned int freq_out)

{

	struct snd_soc_codec *codec = codec_dai->codec;

	u16 reg;

	static struct _pll_div pll_div;

	int ret;
@@ -986,6 +1106,20 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 
	return 0;

}



static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,

		int source, unsigned int freq_in, unsigned int freq_out)

{

	struct snd_soc_codec *codec = codec_dai->codec;

	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);



	wm8960->freq_in = freq_in;



	if (pll_id == WM8960_SYSCLK_AUTO)

		return 0;



	return wm8960_set_pll(codec, freq_in, freq_out);

}



static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,

		int div_id, int div)

{
@@ -1043,11 +1177,14 @@ static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 
		snd_soc_update_bits(codec, WM8960_CLOCK1,

					0x1, WM8960_SYSCLK_PLL);

		break;

	case WM8960_SYSCLK_AUTO:

		break;

	default:

		return -EINVAL;

	}



	wm8960->sysclk = freq;

	wm8960->clk_id = clk_id;



	return 0;

}
@@ -1060,6 +1197,7 @@ static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 


static const struct snd_soc_dai_ops wm8960_dai_ops = {

	.hw_params = wm8960_hw_params,

	.hw_free = wm8960_hw_free,

	.digital_mute = wm8960_mute,

	.set_fmt = wm8960_set_dai_fmt,

	.set_clkdiv = wm8960_set_dai_clkdiv,

sound/soc/codecs/wm8960.h

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ 


#define WM8960_SYSCLK_MCLK		(0 << 0)

#define WM8960_SYSCLK_PLL		(1 << 0)

#define WM8960_SYSCLK_AUTO		(2 << 0)



#define WM8960_DAC_DIV_1		(0 << 3)

#define WM8960_DAC_DIV_1_5		(1 << 3)