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Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c264
1 files changed, 206 insertions, 58 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index ef62c43..ac948a6 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -56,14 +56,14 @@
#define arizona_fll_warn(_fll, fmt, ...) \
dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define arizona_fll_dbg(_fll, fmt, ...) \
- dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
+ dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define arizona_aif_err(_dai, fmt, ...) \
dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define arizona_aif_warn(_dai, fmt, ...) \
dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define arizona_aif_dbg(_dai, fmt, ...) \
- dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
+ dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
"None",
@@ -141,6 +141,30 @@ const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
"ASRC1R",
"ASRC2L",
"ASRC2R",
+ "ISRC1INT1",
+ "ISRC1INT2",
+ "ISRC1INT3",
+ "ISRC1INT4",
+ "ISRC1DEC1",
+ "ISRC1DEC2",
+ "ISRC1DEC3",
+ "ISRC1DEC4",
+ "ISRC2INT1",
+ "ISRC2INT2",
+ "ISRC2INT3",
+ "ISRC2INT4",
+ "ISRC2DEC1",
+ "ISRC2DEC2",
+ "ISRC2DEC3",
+ "ISRC2DEC4",
+ "ISRC3INT1",
+ "ISRC3INT2",
+ "ISRC3INT3",
+ "ISRC3INT4",
+ "ISRC3DEC1",
+ "ISRC3DEC2",
+ "ISRC3DEC3",
+ "ISRC3DEC4",
};
EXPORT_SYMBOL_GPL(arizona_mixer_texts);
@@ -220,6 +244,30 @@ int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = {
0x91,
0x92,
0x93,
+ 0xa0, /* ISRC1INT1 */
+ 0xa1,
+ 0xa2,
+ 0xa3,
+ 0xa4, /* ISRC1DEC1 */
+ 0xa5,
+ 0xa6,
+ 0xa7,
+ 0xa8, /* ISRC2DEC1 */
+ 0xa9,
+ 0xaa,
+ 0xab,
+ 0xac, /* ISRC2INT1 */
+ 0xad,
+ 0xae,
+ 0xaf,
+ 0xb0, /* ISRC3DEC1 */
+ 0xb1,
+ 0xb2,
+ 0xb3,
+ 0xb4, /* ISRC3INT1 */
+ 0xb5,
+ 0xb6,
+ 0xb7,
};
EXPORT_SYMBOL_GPL(arizona_mixer_values);
@@ -275,9 +323,35 @@ const struct soc_enum arizona_lhpf4_mode =
arizona_lhpf_mode_text);
EXPORT_SYMBOL_GPL(arizona_lhpf4_mode);
+static const char *arizona_ng_hold_text[] = {
+ "30ms", "120ms", "250ms", "500ms",
+};
+
+const struct soc_enum arizona_ng_hold =
+ SOC_ENUM_SINGLE(ARIZONA_NOISE_GATE_CONTROL, ARIZONA_NGATE_HOLD_SHIFT,
+ 4, arizona_ng_hold_text);
+EXPORT_SYMBOL_GPL(arizona_ng_hold);
+
int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
int event)
{
+ unsigned int reg;
+
+ if (w->shift % 2)
+ reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
+ else
+ reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, 0);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE,
+ ARIZONA_IN1L_MUTE);
+ break;
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(arizona_in_ev);
@@ -417,6 +491,10 @@ int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
case 147456000:
val |= 6 << ARIZONA_SYSCLK_FREQ_SHIFT;
break;
+ case 0:
+ dev_dbg(arizona->dev, "%s cleared\n", name);
+ *clk = freq;
+ return 0;
default:
return -EINVAL;
}
@@ -635,6 +713,9 @@ static int arizona_startup(struct snd_pcm_substream *substream,
return 0;
}
+ if (base_rate == 0)
+ return 0;
+
if (base_rate % 8000)
constraint = &arizona_44k1_constraint;
else
@@ -645,25 +726,81 @@ static int arizona_startup(struct snd_pcm_substream *substream,
constraint);
}
+static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
+ int base = dai->driver->base;
+ int i, sr_val;
+
+ /*
+ * We will need to be more flexible than this in future,
+ * currently we use a single sample rate for SYSCLK.
+ */
+ for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
+ if (arizona_sr_vals[i] == params_rate(params))
+ break;
+ if (i == ARRAY_SIZE(arizona_sr_vals)) {
+ arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+ sr_val = i;
+
+ switch (dai_priv->clk) {
+ case ARIZONA_CLK_SYSCLK:
+ snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
+ ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+ ARIZONA_AIF1_RATE_MASK, 0);
+ break;
+ case ARIZONA_CLK_ASYNCCLK:
+ snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
+ ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+ ARIZONA_AIF1_RATE_MASK,
+ 8 << ARIZONA_AIF1_RATE_SHIFT);
+ break;
+ default:
+ arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int arizona_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
- struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
+ struct arizona *arizona = priv->arizona;
int base = dai->driver->base;
const int *rates;
- int i;
- int bclk, lrclk, wl, frame, sr_val;
+ int i, ret;
+ int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
+ int bclk, lrclk, wl, frame, bclk_target;
if (params_rate(params) % 8000)
rates = &arizona_44k1_bclk_rates[0];
else
rates = &arizona_48k_bclk_rates[0];
+ bclk_target = snd_soc_params_to_bclk(params);
+ if (chan_limit && chan_limit < params_channels(params)) {
+ arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit);
+ bclk_target /= params_channels(params);
+ bclk_target *= chan_limit;
+ }
+
for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
- if (rates[i] >= snd_soc_params_to_bclk(params) &&
+ if (rates[i] >= bclk_target &&
rates[i] % params_rate(params) == 0) {
bclk = i;
break;
@@ -675,16 +812,6 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
- if (arizona_sr_vals[i] == params_rate(params))
- break;
- if (i == ARRAY_SIZE(arizona_sr_vals)) {
- arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
- params_rate(params));
- return -EINVAL;
- }
- sr_val = i;
-
lrclk = rates[bclk] / params_rate(params);
arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
@@ -693,28 +820,9 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
wl = snd_pcm_format_width(params_format(params));
frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl;
- /*
- * We will need to be more flexible than this in future,
- * currently we use a single sample rate for SYSCLK.
- */
- switch (dai_priv->clk) {
- case ARIZONA_CLK_SYSCLK:
- snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
- ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
- snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
- ARIZONA_AIF1_RATE_MASK, 0);
- break;
- case ARIZONA_CLK_ASYNCCLK:
- snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
- ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val);
- snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
- ARIZONA_AIF1_RATE_MASK,
- 8 << ARIZONA_AIF1_RATE_SHIFT);
- break;
- default:
- arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
- return -EINVAL;
- }
+ ret = arizona_hw_params_rate(substream, params, dai);
+ if (ret != 0)
+ return ret;
snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL,
ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
@@ -789,11 +897,27 @@ static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
return snd_soc_dapm_sync(&codec->dapm);
}
+static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int base = dai->driver->base;
+ unsigned int reg;
+
+ if (tristate)
+ reg = ARIZONA_AIF1_TRI;
+ else
+ reg = 0;
+
+ return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+ ARIZONA_AIF1_TRI, reg);
+}
+
const struct snd_soc_dai_ops arizona_dai_ops = {
.startup = arizona_startup,
.set_fmt = arizona_set_fmt,
.hw_params = arizona_hw_params,
.set_sysclk = arizona_dai_set_sysclk,
+ .set_tristate = arizona_set_tristate,
};
EXPORT_SYMBOL_GPL(arizona_dai_ops);
@@ -807,17 +931,6 @@ int arizona_init_dai(struct arizona_priv *priv, int id)
}
EXPORT_SYMBOL_GPL(arizona_init_dai);
-static irqreturn_t arizona_fll_lock(int irq, void *data)
-{
- struct arizona_fll *fll = data;
-
- arizona_fll_dbg(fll, "Lock status changed\n");
-
- complete(&fll->lock);
-
- return IRQ_HANDLED;
-}
-
static irqreturn_t arizona_fll_clock_ok(int irq, void *data)
{
struct arizona_fll *fll = data;
@@ -910,7 +1023,7 @@ static int arizona_calc_fll(struct arizona_fll *fll,
cfg->n = target / (ratio * Fref);
- if (target % Fref) {
+ if (target % (ratio * Fref)) {
gcd_fll = gcd(target, ratio * Fref);
arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll);
@@ -922,6 +1035,15 @@ static int arizona_calc_fll(struct arizona_fll *fll,
cfg->lambda = 0;
}
+ /* Round down to 16bit range with cost of accuracy lost.
+ * Denominator must be bigger than numerator so we only
+ * take care of it.
+ */
+ while (cfg->lambda >= (1 << 16)) {
+ cfg->theta >>= 1;
+ cfg->lambda >>= 1;
+ }
+
arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n",
cfg->n, cfg->theta, cfg->lambda);
arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n",
@@ -1057,7 +1179,6 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
{
int ret;
- init_completion(&fll->lock);
init_completion(&fll->ok);
fll->id = id;
@@ -1068,13 +1189,6 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
"FLL%d clock OK", id);
- ret = arizona_request_irq(arizona, lock_irq, fll->lock_name,
- arizona_fll_lock, fll);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to get FLL%d lock IRQ: %d\n",
- id, ret);
- }
-
ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name,
arizona_fll_clock_ok, fll);
if (ret != 0) {
@@ -1089,6 +1203,40 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
}
EXPORT_SYMBOL_GPL(arizona_init_fll);
+/**
+ * arizona_set_output_mode - Set the mode of the specified output
+ *
+ * @codec: Device to configure
+ * @output: Output number
+ * @diff: True to set the output to differential mode
+ *
+ * Some systems use external analogue switches to connect more
+ * analogue devices to the CODEC than are supported by the device. In
+ * some systems this requires changing the switched output from single
+ * ended to differential mode dynamically at runtime, an operation
+ * supported using this function.
+ *
+ * Most systems have a single static configuration and should use
+ * platform data instead.
+ */
+int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff)
+{
+ unsigned int reg, val;
+
+ if (output < 1 || output > 6)
+ return -EINVAL;
+
+ reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8;
+
+ if (diff)
+ val = ARIZONA_OUT1_MONO;
+ else
+ val = 0;
+
+ return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val);
+}
+EXPORT_SYMBOL_GPL(arizona_set_output_mode);
+
MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
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