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Commit 16413d5c authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Mark Brown
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ASoC: qcom: Add helper function to get dma control and lpaif handle 

Add support function to get dma control and lpaif handle to avoid
repeated code in platform driver
Signed-off-by: default avatarSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: default avatarVenkata Prasad Potturu <quic_potturu@quicinc.com>
Signed-off-by: default avatarVenkata Prasad Potturu <quic_potturu@quicinc.com>
Reviewed-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1645716828-15305-4-git-send-email-quic_srivasam@quicinc.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent ddd60045
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Showing with 80 additions and 51 deletions
sound/soc/qcom/lpass-platform.c
View file @ 16413d5c
......@@ -177,6 +177,75 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component,
return 0;
}
static struct lpaif_dmactl *__lpass_get_dmactl_handle(const struct snd_pcm_substream *substream,
struct snd_soc_component *component)
{
struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0);
struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
struct lpaif_dmactl *dmactl = NULL;
switch (cpu_dai->driver->id) {
case MI2S_PRIMARY ... MI2S_QUINARY:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dmactl = drvdata->rd_dmactl;
else
dmactl = drvdata->wr_dmactl;
break;
case LPASS_DP_RX:
dmactl = drvdata->hdmi_rd_dmactl;
break;
}
return dmactl;
}
static int __lpass_get_id(const struct snd_pcm_substream *substream,
struct snd_soc_component *component)
{
struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0);
struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
struct snd_pcm_runtime *rt = substream->runtime;
struct lpass_pcm_data *pcm_data = rt->private_data;
struct lpass_variant *v = drvdata->variant;
int id;
switch (cpu_dai->driver->id) {
case MI2S_PRIMARY ... MI2S_QUINARY:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
id = pcm_data->dma_ch;
else
id = pcm_data->dma_ch - v->wrdma_channel_start;
break;
case LPASS_DP_RX:
id = pcm_data->dma_ch;
break;
}
return id;
}
static struct regmap *__lpass_get_regmap_handle(const struct snd_pcm_substream *substream,
struct snd_soc_component *component)
{
struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0);
struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
struct regmap *map = NULL;
switch (cpu_dai->driver->id) {
case MI2S_PRIMARY ... MI2S_QUINARY:
map = drvdata->lpaif_map;
break;
case LPASS_DP_RX:
map = drvdata->hdmiif_map;
break;
}
return map;
}
static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
......@@ -191,22 +260,13 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component,
unsigned int channels = params_channels(params);
unsigned int regval;
struct lpaif_dmactl *dmactl;
int id, dir = substream->stream;
int id;
int bitwidth;
int ret, dma_port = pcm_data->i2s_port + v->dmactl_audif_start;
unsigned int dai_id = cpu_dai->driver->id;
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
id = pcm_data->dma_ch;
if (dai_id == LPASS_DP_RX)
dmactl = drvdata->hdmi_rd_dmactl;
else
dmactl = drvdata->rd_dmactl;
} else {
dmactl = drvdata->wr_dmactl;
id = pcm_data->dma_ch - v->wrdma_channel_start;
}
dmactl = __lpass_get_dmactl_handle(substream, component);
id = __lpass_get_id(substream, component);
bitwidth = snd_pcm_format_width(format);
if (bitwidth < 0) {
......@@ -350,10 +410,7 @@ static int lpass_platform_pcmops_hw_free(struct snd_soc_component *component,
struct regmap *map;
unsigned int dai_id = cpu_dai->driver->id;
if (dai_id == LPASS_DP_RX)
map = drvdata->hdmiif_map;
else
map = drvdata->lpaif_map;
map = __lpass_get_regmap_handle(substream, component);
reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream, dai_id);
ret = regmap_write(map, reg, 0);
......@@ -379,23 +436,11 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component,
int ret, id, ch, dir = substream->stream;
unsigned int dai_id = cpu_dai->driver->id;
ch = pcm_data->dma_ch;
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
if (dai_id == LPASS_DP_RX) {
dmactl = drvdata->hdmi_rd_dmactl;
map = drvdata->hdmiif_map;
} else {
dmactl = drvdata->rd_dmactl;
map = drvdata->lpaif_map;
}
id = pcm_data->dma_ch;
} else {
dmactl = drvdata->wr_dmactl;
id = pcm_data->dma_ch - v->wrdma_channel_start;
map = drvdata->lpaif_map;
}
dmactl = __lpass_get_dmactl_handle(substream, component);
id = __lpass_get_id(substream, component);
map = __lpass_get_regmap_handle(substream, component);
ret = regmap_write(map, LPAIF_DMABASE_REG(v, ch, dir, dai_id),
runtime->dma_addr);
......@@ -444,26 +489,14 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
struct lpaif_dmactl *dmactl;
struct regmap *map;
int ret, ch, id;
int dir = substream->stream;
unsigned int reg_irqclr = 0, val_irqclr = 0;
unsigned int reg_irqen = 0, val_irqen = 0, val_mask = 0;
unsigned int dai_id = cpu_dai->driver->id;
ch = pcm_data->dma_ch;
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
id = pcm_data->dma_ch;
if (dai_id == LPASS_DP_RX) {
dmactl = drvdata->hdmi_rd_dmactl;
map = drvdata->hdmiif_map;
} else {
dmactl = drvdata->rd_dmactl;
map = drvdata->lpaif_map;
}
} else {
dmactl = drvdata->wr_dmactl;
id = pcm_data->dma_ch - v->wrdma_channel_start;
map = drvdata->lpaif_map;
}
dmactl = __lpass_get_dmactl_handle(substream, component);
id = __lpass_get_id(substream, component);
map = __lpass_get_regmap_handle(substream, component);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
......@@ -597,11 +630,7 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
struct regmap *map;
unsigned int dai_id = cpu_dai->driver->id;
if (dai_id == LPASS_DP_RX)
map = drvdata->hdmiif_map;
else
map = drvdata->lpaif_map;
map = __lpass_get_regmap_handle(substream, component);
ch = pcm_data->dma_ch;
ret = regmap_read(map,
......
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