#define pair_dbg(fmt, ...) \
dev_dbg(&asrc_priv->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
-/* Sample rates are aligned with that defined in pcm.h file */
-static const u8 process_option[][12][2] = {
- /* 8kHz 11.025kHz 16kHz 22.05kHz 32kHz 44.1kHz 48kHz 64kHz 88.2kHz 96kHz 176kHz 192kHz */
- {{0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0},}, /* 5512Hz */
- {{0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0},}, /* 8kHz */
- {{0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0},}, /* 11025Hz */
- {{1, 2}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0},}, /* 16kHz */
- {{1, 2}, {1, 2}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0},}, /* 22050Hz */
- {{1, 2}, {2, 1}, {2, 1}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0}, {0, 0},}, /* 32kHz */
- {{2, 2}, {2, 2}, {2, 1}, {2, 1}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0},}, /* 44.1kHz */
- {{2, 2}, {2, 2}, {2, 1}, {2, 1}, {0, 2}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0}, {0, 0},}, /* 48kHz */
- {{2, 2}, {2, 2}, {2, 2}, {2, 1}, {1, 2}, {0, 2}, {0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 0},}, /* 64kHz */
- {{2, 2}, {2, 2}, {2, 2}, {2, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1},}, /* 88.2kHz */
- {{2, 2}, {2, 2}, {2, 2}, {2, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1},}, /* 96kHz */
- {{2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 1}, {2, 1}, {2, 1}, {2, 1}, {2, 1},}, /* 176kHz */
- {{2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 1}, {2, 1}, {2, 1}, {2, 1}, {2, 1},}, /* 192kHz */
-};
-
/* Corresponding to process_option */
static int supported_input_rate[] = {
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000, 88200,
static unsigned char *clk_map[2];
+/**
+ * Select the pre-processing and post-processing options
+ * Make sure to exclude following unsupported cases before
+ * calling this function:
+ * 1) inrate > 8.125 * outrate
+ * 2) inrate > 16.125 * outrate
+ *
+ * inrate: input sample rate
+ * outrate: output sample rate
+ * pre_proc: return value for pre-processing option
+ * post_proc: return value for post-processing option
+ */
+static void fsl_asrc_sel_proc(int inrate, int outrate,
+ int *pre_proc, int *post_proc)
+{
+ bool post_proc_cond2;
+ bool post_proc_cond0;
+
+ /* select pre_proc between [0, 2] */
+ if (inrate * 8 > 33 * outrate)
+ *pre_proc = 2;
+ else if (inrate * 8 > 15 * outrate) {
+ if (inrate > 152000)
+ *pre_proc = 2;
+ else
+ *pre_proc = 1;
+ } else if (inrate < 76000)
+ *pre_proc = 0;
+ else if (inrate > 152000)
+ *pre_proc = 2;
+ else
+ *pre_proc = 1;
+
+ /* Condition for selection of post-processing */
+ post_proc_cond2 = (inrate * 15 > outrate * 16 && outrate < 56000) ||
+ (inrate > 56000 && outrate < 56000);
+ post_proc_cond0 = inrate * 23 < outrate * 8;
+
+ if (post_proc_cond2)
+ *post_proc = 2;
+ else if (post_proc_cond0)
+ *post_proc = 0;
+ else
+ *post_proc = 1;
+}
+
/**
* Request ASRC pair
*
u32 inrate, outrate, indiv, outdiv;
u32 clk_index[2], div[2];
int in, out, channels;
+ int pre_proc, post_proc;
struct clk *clk;
bool ideal;
return -EINVAL;
}
- if ((outrate > 8000 && outrate < 30000) &&
- (outrate/inrate > 24 || inrate/outrate > 8)) {
+ if ((outrate >= 8000 && outrate <= 30000) &&
+ (outrate > 24 * inrate || inrate > 8 * outrate)) {
pair_err("exceed supported ratio range [1/24, 8] for \
inrate/outrate: %d/%d\n", inrate, outrate);
return -EINVAL;
ASRCTR_IDRi_MASK(index) | ASRCTR_USRi_MASK(index),
ASRCTR_IDR(index) | ASRCTR_USR(index));
+ fsl_asrc_sel_proc(inrate, outrate, &pre_proc, &post_proc);
+
/* Apply configurations for pre- and post-processing */
regmap_update_bits(asrc_priv->regmap, REG_ASRCFG,
ASRCFG_PREMODi_MASK(index) | ASRCFG_POSTMODi_MASK(index),
- ASRCFG_PREMOD(index, process_option[in][out][0]) |
- ASRCFG_POSTMOD(index, process_option[in][out][1]));
+ ASRCFG_PREMOD(index, pre_proc) |
+ ASRCFG_POSTMOD(index, post_proc));
return fsl_asrc_set_ideal_ratio(pair, inrate, outrate);
}
else
codec_stream = &dai->driver->capture;
- /* If the codec specifies any rate at all, it supports the stream. */
- return codec_stream->rates;
+ /* If the codec specifies any channels at all, it supports the stream */
+ return codec_stream->channels_min;
}
/**
hw->rate_max = min_not_zero(hw->rate_max, rate_max);
}
+static int soc_pcm_components_open(struct snd_pcm_substream *substream,
+ struct snd_soc_component **last)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_rtdcom_list *rtdcom;
+ struct snd_soc_component *component;
+ int ret = 0;
+
+ for_each_rtdcom(rtd, rtdcom) {
+ component = rtdcom->component;
+ *last = component;
+
+ if (component->driver->module_get_upon_open &&
+ !try_module_get(component->dev->driver->owner)) {
+ dev_err(component->dev,
+ "ASoC: can't get module %s\n",
+ component->name);
+ return -ENODEV;
+ }
+
+ if (!component->driver->ops ||
+ !component->driver->ops->open)
+ continue;
+
+ ret = component->driver->ops->open(substream);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "ASoC: can't open component %s: %d\n",
+ component->name, ret);
+ return ret;
+ }
+ }
+ *last = NULL;
+ return 0;
+}
+
static int soc_pcm_components_close(struct snd_pcm_substream *substream,
struct snd_soc_component *last)
{
if (component == last)
break;
- if (!component->driver->ops ||
- !component->driver->ops->close)
- continue;
-
- component->driver->ops->close(substream);
+ if (component->driver->ops &&
+ component->driver->ops->close)
+ component->driver->ops->close(substream);
if (component->driver->module_get_upon_open)
module_put(component->dev->driver->owner);
}
}
- for_each_rtdcom(rtd, rtdcom) {
- component = rtdcom->component;
-
- if (!component->driver->ops ||
- !component->driver->ops->open)
- continue;
-
- if (component->driver->module_get_upon_open &&
- !try_module_get(component->dev->driver->owner))
- return -ENODEV;
-
- ret = component->driver->ops->open(substream);
- if (ret < 0) {
- dev_err(component->dev,
- "ASoC: can't open component %s: %d\n",
- component->name, ret);
- goto component_err;
- }
- }
- component = NULL;
+ ret = soc_pcm_components_open(substream, &component);
+ if (ret < 0)
+ goto component_err;
for_each_rtd_codec_dai(rtd, i, codec_dai) {
if (codec_dai->driver->ops->startup) {
if (ret < 0)
goto interface_err;
+ /* store the parameters for each DAIs */
+ cpu_dai->rate = params_rate(params);
+ cpu_dai->channels = params_channels(params);
+ cpu_dai->sample_bits =
+ snd_pcm_format_physical_width(params_format(params));
+
+ snd_soc_dapm_update_dai(substream, params, cpu_dai);
+
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
}
component = NULL;
- /* store the parameters for each DAIs */
- cpu_dai->rate = params_rate(params);
- cpu_dai->channels = params_channels(params);
- cpu_dai->sample_bits =
- snd_pcm_format_physical_width(params_format(params));
-
- snd_soc_dapm_update_dai(substream, params, cpu_dai);
-
ret = soc_pcm_params_symmetry(substream, params);
if (ret)
goto component_err;
if (cpu_dai->driver->ops->hw_free)
cpu_dai->driver->ops->hw_free(substream, cpu_dai);
+ cpu_dai->rate = 0;
interface_err:
i = rtd->num_codecs;
codec_err:
for_each_rtd_codec_dai_rollback(rtd, i, codec_dai) {
+ if (!snd_soc_dai_stream_valid(codec_dai, substream->stream))
+ continue;
+
if (codec_dai->driver->ops->hw_free)
codec_dai->driver->ops->hw_free(substream, codec_dai);
codec_dai->rate = 0;
/* now free hw params for the DAIs */
for_each_rtd_codec_dai(rtd, i, codec_dai) {
+ if (!snd_soc_dai_stream_valid(codec_dai, substream->stream))
+ continue;
+
if (codec_dai->driver->ops->hw_free)
codec_dai->driver->ops->hw_free(substream, codec_dai);
}
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_PARAMS) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
- (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND))
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND) &&
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
continue;
dev_dbg(be->dev, "ASoC: prepare BE %s\n",