Merge tag 'asoc-v4.2' into asoc-next

ASoC: Updates for v4.2

The big thing this release has been Liam's addition of topology support
to the core.  We've also seen quite a bit of driver work and the
continuation of Lars' refactoring for component support.

 - Support for loading ASoC topology maps from firmware, intended to be
   used to allow self-describing DSP firmware images to be built which
   can map controls added by the DSP to userspace without the kernel
   needing to know about individual DSP firmwares.
 - Lots of refactoring to avoid direct access to snd_soc_codec where
   it's not needed supporting future refactoring.
 - Big refactoring and cleanup serieses for the Wolfson ADSP and TI
   TAS2552 drivers.
 - Support for TI TAS571x power amplifiers.
 - Support for Qualcomm APQ8016 and ZTE ZX296702 SoCs.
 - Support for x86 systems with RT5650 and Qualcomm Storm.

# gpg: Signature made Mon 08 Jun 2015 18:48:37 BST using RSA key ID 5D5487D0
# gpg: Oops: keyid_from_fingerprint: no pubkey
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg:                 aka "Mark Brown <broonie@debian.org>"
# gpg:                 aka "Mark Brown <broonie@kernel.org>"
# gpg:                 aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg:                 aka "Mark Brown <broonie@linaro.org>"
# gpg:                 aka "Mark Brown <Mark.Brown@linaro.org>"

1 files changed, 114 insertions, 11 deletions

diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 8d7f63253440..94c5c4681ce5 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -127,6 +127,8 @@ struct wm8960_priv {
 	struct snd_soc_dapm_widget *out3;
 	bool deemph;
 	int playback_fs;
+	int bclk;
+	int sysclk;
 	struct wm8960_data pdata;
 };
 
@@ -445,7 +447,7 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
 {
 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 	struct wm8960_data *pdata = &wm8960->pdata;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 	struct snd_soc_dapm_widget *w;
 
 	snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
@@ -476,7 +478,7 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
 	 * and save the result.
 	 */
 	list_for_each_entry(w, &codec->component.card->widgets, list) {
-		if (w->dapm != &codec->dapm)
+		if (w->dapm != dapm)
 			continue;
 		if (strcmp(w->name, "LOUT1 PGA") == 0)
 			wm8960->lout1 = w;
@@ -563,6 +565,72 @@ static struct {
 	{  8000, 5 },
 };
 
+/* Multiply 256 for internal 256 div */
+static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
+
+/* Multiply 10 to eliminate decimials */
+static const int bclk_divs[] = {
+	10, 15, 20, 30, 40, 55, 60, 80, 110,
+	120, 160, 220, 240, 320, 320, 320
+};
+
+static void wm8960_configure_clocking(struct snd_soc_codec *codec,
+		bool tx, int lrclk)
+{
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+	u16 iface1 = snd_soc_read(codec, WM8960_IFACE1);
+	u16 iface2 = snd_soc_read(codec, WM8960_IFACE2);
+	u32 sysclk;
+	int i, j;
+
+	if (!(iface1 & (1<<6))) {
+		dev_dbg(codec->dev,
+			"Codec is slave mode, no need to configure clock\n");
+		return;
+	}
+
+	if (!wm8960->sysclk) {
+		dev_dbg(codec->dev, "No SYSCLK configured\n");
+		return;
+	}
+
+	if (!wm8960->bclk || !lrclk) {
+		dev_dbg(codec->dev, "No audio clocks configured\n");
+		return;
+	}
+
+	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)
+					break;
+			}
+			if(j != ARRAY_SIZE(bclk_divs))
+				break;
+		}
+	}
+
+	if (i == ARRAY_SIZE(dac_divs)) {
+		dev_err(codec->dev, "Unsupported sysclk %d\n", wm8960->sysclk);
+		return;
+	}
+
+	/*
+	 * 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 bit clock */
+	snd_soc_update_bits(codec, WM8960_CLOCK2, 0xf, j);
+}
+
 static int wm8960_hw_params(struct snd_pcm_substream *substream,
 			    struct snd_pcm_hw_params *params,
 			    struct snd_soc_dai *dai)
@@ -570,8 +638,13 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_codec *codec = dai->codec;
 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 	u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
+	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
 	int i;
 
+	wm8960->bclk = snd_soc_params_to_bclk(params);
+	if (params_channels(params) == 1)
+		wm8960->bclk *= 2;
+
 	/* bit size */
 	switch (params_width(params)) {
 	case 16:
@@ -582,6 +655,12 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
 	case 24:
 		iface |= 0x0008;
 		break;
+	case 32:
+		/* right justify mode does not support 32 word length */
+		if ((iface & 0x3) != 0) {
+			iface |= 0x000c;
+			break;
+		}
 	default:
 		dev_err(codec->dev, "unsupported width %d\n",
 			params_width(params));
@@ -602,6 +681,9 @@ 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));
+
 	return 0;
 }
 
@@ -627,7 +709,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_PREPARE:
-		switch (codec->dapm.bias_level) {
+		switch (snd_soc_codec_get_bias_level(codec)) {
 		case SND_SOC_BIAS_STANDBY:
 			if (!IS_ERR(wm8960->mclk)) {
 				ret = clk_prepare_enable(wm8960->mclk);
@@ -655,7 +737,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
-		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
 			regcache_sync(wm8960->regmap);
 
 			/* Enable anti-pop features */
@@ -691,8 +773,6 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 		break;
 	}
 
-	codec->dapm.bias_level = level;
-
 	return 0;
 }
 
@@ -707,7 +787,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_PREPARE:
-		switch (codec->dapm.bias_level) {
+		switch (snd_soc_codec_get_bias_level(codec)) {
 		case SND_SOC_BIAS_STANDBY:
 			/* Enable anti pop mode */
 			snd_soc_update_bits(codec, WM8960_APOP1,
@@ -778,7 +858,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
-		switch (codec->dapm.bias_level) {
+		switch (snd_soc_codec_get_bias_level(codec)) {
 		case SND_SOC_BIAS_PREPARE:
 			/* Disable HP discharge */
 			snd_soc_update_bits(codec, WM8960_APOP2,
@@ -802,8 +882,6 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 		break;
 	}
 
-	codec->dapm.bias_level = level;
-
 	return 0;
 }
 
@@ -950,11 +1028,35 @@ static int wm8960_set_bias_level(struct snd_soc_codec *codec,
 	return wm8960->set_bias_level(codec, level);
 }
 
+static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
+					unsigned int freq, int dir)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
+	switch (clk_id) {
+	case WM8960_SYSCLK_MCLK:
+		snd_soc_update_bits(codec, WM8960_CLOCK1,
+					0x1, WM8960_SYSCLK_MCLK);
+		break;
+	case WM8960_SYSCLK_PLL:
+		snd_soc_update_bits(codec, WM8960_CLOCK1,
+					0x1, WM8960_SYSCLK_PLL);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	wm8960->sysclk = freq;
+
+	return 0;
+}
+
 #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
 
 #define WM8960_FORMATS \
 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
-	SNDRV_PCM_FMTBIT_S24_LE)
+	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
 static const struct snd_soc_dai_ops wm8960_dai_ops = {
 	.hw_params = wm8960_hw_params,
@@ -962,6 +1064,7 @@ static const struct snd_soc_dai_ops wm8960_dai_ops = {
 	.set_fmt = wm8960_set_dai_fmt,
 	.set_clkdiv = wm8960_set_dai_clkdiv,
 	.set_pll = wm8960_set_dai_pll,
+	.set_sysclk = wm8960_set_dai_sysclk,
 };
 
 static struct snd_soc_dai_driver wm8960_dai = {