24576000,
};
+static const unsigned int arizona_48k_rates[] = {
+ 12000,
+ 24000,
+ 48000,
+ 96000,
+ 192000,
+ 384000,
+ 768000,
+ 4000,
+ 8000,
+ 16000,
+ 32000,
+ 64000,
+ 128000,
+ 256000,
+ 512000,
+};
+
+static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = {
+ .count = ARRAY_SIZE(arizona_48k_rates),
+ .list = arizona_48k_rates,
+};
+
static const int arizona_44k1_bclk_rates[] = {
-1,
44100,
22579200,
};
+static const unsigned int arizona_44k1_rates[] = {
+ 11025,
+ 22050,
+ 44100,
+ 88200,
+ 176400,
+ 352800,
+ 705600,
+};
+
+static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = {
+ .count = ARRAY_SIZE(arizona_44k1_rates),
+ .list = arizona_44k1_rates,
+};
+
static int arizona_sr_vals[] = {
0,
12000,
512000,
};
+static int arizona_startup(struct snd_pcm_substream *substream,
+ 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];
+ const struct snd_pcm_hw_constraint_list *constraint;
+ unsigned int base_rate;
+
+ switch (dai_priv->clk) {
+ case ARIZONA_CLK_SYSCLK:
+ base_rate = priv->sysclk;
+ break;
+ case ARIZONA_CLK_ASYNCCLK:
+ base_rate = priv->asyncclk;
+ break;
+ default:
+ return 0;
+ }
+
+ if (base_rate % 8000)
+ constraint = &arizona_44k1_constraint;
+ else
+ constraint = &arizona_48k_constraint;
+
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ constraint);
+}
+
static int arizona_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
return 0;
}
+static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ 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];
+
+ switch (clk_id) {
+ case ARIZONA_CLK_SYSCLK:
+ case ARIZONA_CLK_ASYNCCLK:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (clk_id != dai_priv->clk && dai->active) {
+ dev_err(codec->dev, "Can't change clock on active DAI %d\n",
+ dai->id);
+ return -EBUSY;
+ }
+
+ dai_priv->clk = clk_id;
+
+ return 0;
+}
+
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,
};
+int arizona_init_dai(struct arizona_priv *priv, int id)
+{
+ struct arizona_dai_priv *dai_priv = &priv->dai[id];
+
+ dai_priv->clk = ARIZONA_CLK_SYSCLK;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_init_dai);
+
static irqreturn_t arizona_fll_lock(int irq, void *data)
{
struct arizona_fll *fll = data;