Merge remote-tracking branch 'asoc/topic/sunxi' into asoc-next
This commit is contained in:
Mark Brown
commit
1ab4f8519a
|
|
@ -14,6 +14,9 @@ Required properties:
|
|||
- "apb": the parent APB clock for this controller
|
||||
- "codec": the parent module clock
|
||||
|
||||
Optional properties:
|
||||
- allwinner,pa-gpios: gpio to enable external amplifier
|
||||
|
||||
Example:
|
||||
codec: codec@01c22c00 {
|
||||
#sound-dai-cells = <0>;
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@
|
|||
#include <linux/of_address.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <linux/gpio/consumer.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
|
|
@ -70,6 +71,7 @@
|
|||
|
||||
/* Codec ADC register offsets and bit fields */
|
||||
#define SUN4I_CODEC_ADC_FIFOC (0x1c)
|
||||
#define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29)
|
||||
#define SUN4I_CODEC_ADC_FIFOC_EN_AD (28)
|
||||
#define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24)
|
||||
#define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8)
|
||||
|
|
@ -102,17 +104,14 @@ struct sun4i_codec {
|
|||
struct regmap *regmap;
|
||||
struct clk *clk_apb;
|
||||
struct clk *clk_module;
|
||||
struct gpio_desc *gpio_pa;
|
||||
|
||||
struct snd_dmaengine_dai_dma_data capture_dma_data;
|
||||
struct snd_dmaengine_dai_dma_data playback_dma_data;
|
||||
};
|
||||
|
||||
static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
|
||||
{
|
||||
/*
|
||||
* FIXME: according to the BSP, we might need to drive a PA
|
||||
* GPIO high here on some boards
|
||||
*/
|
||||
|
||||
/* Flush TX FIFO */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
||||
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
|
||||
|
|
@ -126,37 +125,50 @@ static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
|
|||
|
||||
static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
|
||||
{
|
||||
/*
|
||||
* FIXME: according to the BSP, we might need to drive a PA
|
||||
* GPIO low here on some boards
|
||||
*/
|
||||
|
||||
/* Disable DAC DRQ */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
||||
BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
|
||||
0);
|
||||
}
|
||||
|
||||
static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
|
||||
{
|
||||
/* Enable ADC DRQ */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
|
||||
}
|
||||
|
||||
static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
|
||||
{
|
||||
/* Disable ADC DRQ */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
|
||||
}
|
||||
|
||||
static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
||||
|
||||
if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return -ENOTSUPP;
|
||||
|
||||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
case SNDRV_PCM_TRIGGER_RESUME:
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
||||
sun4i_codec_start_playback(scodec);
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
sun4i_codec_start_playback(scodec);
|
||||
else
|
||||
sun4i_codec_start_capture(scodec);
|
||||
break;
|
||||
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
case SNDRV_PCM_TRIGGER_SUSPEND:
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
||||
sun4i_codec_stop_playback(scodec);
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
sun4i_codec_stop_playback(scodec);
|
||||
else
|
||||
sun4i_codec_stop_capture(scodec);
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -166,16 +178,55 @@ static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
||||
|
||||
|
||||
/* Flush RX FIFO */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
|
||||
|
||||
|
||||
/* Set RX FIFO trigger level */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
|
||||
0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
|
||||
|
||||
/*
|
||||
* FIXME: Undocumented in the datasheet, but
|
||||
* Allwinner's code mentions that it is related
|
||||
* related to microphone gain
|
||||
*/
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
|
||||
0x3 << 25,
|
||||
0x1 << 25);
|
||||
|
||||
if (of_device_is_compatible(scodec->dev->of_node,
|
||||
"allwinner,sun7i-a20-codec"))
|
||||
/* FIXME: Undocumented bits */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
|
||||
0x3 << 8,
|
||||
0x1 << 8);
|
||||
|
||||
/* Fill most significant bits with valid data MSB */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
||||
u32 val;
|
||||
|
||||
if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return -ENOTSUPP;
|
||||
|
||||
/* Flush the TX FIFO */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
||||
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
|
||||
|
|
@ -203,6 +254,15 @@ static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
|
|||
0);
|
||||
|
||||
return 0;
|
||||
};
|
||||
|
||||
static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return sun4i_codec_prepare_playback(substream, dai);
|
||||
|
||||
return sun4i_codec_prepare_capture(substream, dai);
|
||||
}
|
||||
|
||||
static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
|
||||
|
|
@ -277,31 +337,33 @@ static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
|
|||
}
|
||||
}
|
||||
|
||||
static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
|
||||
struct snd_pcm_hw_params *params,
|
||||
struct snd_soc_dai *dai)
|
||||
static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
|
||||
struct snd_pcm_hw_params *params,
|
||||
unsigned int hwrate)
|
||||
{
|
||||
/* Set ADC sample rate */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
|
||||
hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
|
||||
|
||||
/* Set the number of channels we want to use */
|
||||
if (params_channels(params) == 1)
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
|
||||
else
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
||||
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
|
||||
struct snd_pcm_hw_params *params,
|
||||
unsigned int hwrate)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
||||
unsigned long clk_freq;
|
||||
int ret, hwrate;
|
||||
u32 val;
|
||||
|
||||
if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return -ENOTSUPP;
|
||||
|
||||
clk_freq = sun4i_codec_get_mod_freq(params);
|
||||
if (!clk_freq)
|
||||
return -EINVAL;
|
||||
|
||||
ret = clk_set_rate(scodec->clk_module, clk_freq);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
hwrate = sun4i_codec_get_hw_rate(params);
|
||||
if (hwrate < 0)
|
||||
return hwrate;
|
||||
|
||||
/* Set DAC sample rate */
|
||||
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
||||
7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
|
||||
|
|
@ -345,6 +407,35 @@ static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
|
||||
struct snd_pcm_hw_params *params,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
||||
unsigned long clk_freq;
|
||||
int ret, hwrate;
|
||||
|
||||
clk_freq = sun4i_codec_get_mod_freq(params);
|
||||
if (!clk_freq)
|
||||
return -EINVAL;
|
||||
|
||||
ret = clk_set_rate(scodec->clk_module, clk_freq);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
hwrate = sun4i_codec_get_hw_rate(params);
|
||||
if (hwrate < 0)
|
||||
return hwrate;
|
||||
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return sun4i_codec_hw_params_playback(scodec, params,
|
||||
hwrate);
|
||||
|
||||
return sun4i_codec_hw_params_capture(scodec, params,
|
||||
hwrate);
|
||||
}
|
||||
|
||||
static int sun4i_codec_startup(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
|
|
@ -395,6 +486,20 @@ static struct snd_soc_dai_driver sun4i_codec_dai = {
|
|||
SNDRV_PCM_FMTBIT_S32_LE,
|
||||
.sig_bits = 24,
|
||||
},
|
||||
.capture = {
|
||||
.stream_name = "Codec Capture",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rate_min = 8000,
|
||||
.rate_max = 192000,
|
||||
.rates = SNDRV_PCM_RATE_8000_48000 |
|
||||
SNDRV_PCM_RATE_96000 |
|
||||
SNDRV_PCM_RATE_192000 |
|
||||
SNDRV_PCM_RATE_KNOT,
|
||||
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
||||
SNDRV_PCM_FMTBIT_S32_LE,
|
||||
.sig_bits = 24,
|
||||
},
|
||||
};
|
||||
|
||||
/*** Codec ***/
|
||||
|
|
@ -429,12 +534,23 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
|
|||
SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_widget sun4i_codec_dapm_widgets[] = {
|
||||
static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
|
||||
/* Digital parts of the ADCs */
|
||||
SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
|
||||
SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
|
||||
NULL, 0),
|
||||
|
||||
/* Digital parts of the DACs */
|
||||
SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
|
||||
SUN4I_CODEC_DAC_DPC_EN_DA, 0,
|
||||
NULL, 0),
|
||||
|
||||
/* Analog parts of the ADCs */
|
||||
SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
||||
SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
|
||||
SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
||||
SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
|
||||
|
||||
/* Analog parts of the DACs */
|
||||
SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
|
||||
SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
|
||||
|
|
@ -453,6 +569,14 @@ static const struct snd_soc_dapm_widget sun4i_codec_dapm_widgets[] = {
|
|||
SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
|
||||
SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
|
||||
|
||||
/* VMIC */
|
||||
SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
|
||||
SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
|
||||
|
||||
/* Mic Pre-Amplifiers */
|
||||
SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
|
||||
SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
|
||||
|
||||
/* Power Amplifier */
|
||||
SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
|
||||
SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
|
||||
|
|
@ -461,15 +585,19 @@ static const struct snd_soc_dapm_widget sun4i_codec_dapm_widgets[] = {
|
|||
SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
|
||||
&sun4i_codec_pa_mute),
|
||||
|
||||
SND_SOC_DAPM_INPUT("Mic1"),
|
||||
|
||||
SND_SOC_DAPM_OUTPUT("HP Right"),
|
||||
SND_SOC_DAPM_OUTPUT("HP Left"),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_route sun4i_codec_dapm_routes[] = {
|
||||
/* Left DAC Routes */
|
||||
static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
|
||||
/* Left ADC / DAC Routes */
|
||||
{ "Left ADC", NULL, "ADC" },
|
||||
{ "Left DAC", NULL, "DAC" },
|
||||
|
||||
/* Right DAC Routes */
|
||||
/* Right ADC / DAC Routes */
|
||||
{ "Right ADC", NULL, "ADC" },
|
||||
{ "Right DAC", NULL, "DAC" },
|
||||
|
||||
/* Right Mixer Routes */
|
||||
|
|
@ -491,15 +619,21 @@ static const struct snd_soc_dapm_route sun4i_codec_dapm_routes[] = {
|
|||
{ "Power Amplifier Mute", "Switch", "Power Amplifier" },
|
||||
{ "HP Right", NULL, "Power Amplifier Mute" },
|
||||
{ "HP Left", NULL, "Power Amplifier Mute" },
|
||||
|
||||
/* Mic1 Routes */
|
||||
{ "Left ADC", NULL, "MIC1 Pre-Amplifier" },
|
||||
{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
|
||||
{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
|
||||
{ "Mic1", NULL, "VMIC" },
|
||||
};
|
||||
|
||||
static struct snd_soc_codec_driver sun4i_codec_codec = {
|
||||
.controls = sun4i_codec_widgets,
|
||||
.num_controls = ARRAY_SIZE(sun4i_codec_widgets),
|
||||
.dapm_widgets = sun4i_codec_dapm_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_dapm_widgets),
|
||||
.dapm_routes = sun4i_codec_dapm_routes,
|
||||
.num_dapm_routes = ARRAY_SIZE(sun4i_codec_dapm_routes),
|
||||
.dapm_widgets = sun4i_codec_codec_dapm_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
|
||||
.dapm_routes = sun4i_codec_codec_dapm_routes,
|
||||
.num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
|
||||
};
|
||||
|
||||
static const struct snd_soc_component_driver sun4i_codec_component = {
|
||||
|
|
@ -516,7 +650,7 @@ static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
|
|||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
|
||||
|
||||
snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
|
||||
NULL);
|
||||
&scodec->capture_dma_data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -532,6 +666,14 @@ static struct snd_soc_dai_driver dummy_cpu_dai = {
|
|||
.formats = SUN4I_CODEC_FORMATS,
|
||||
.sig_bits = 24,
|
||||
},
|
||||
.capture = {
|
||||
.stream_name = "Capture",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rates = SUN4I_CODEC_RATES,
|
||||
.formats = SUN4I_CODEC_FORMATS,
|
||||
.sig_bits = 24,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct regmap_config sun4i_codec_regmap_config = {
|
||||
|
|
@ -569,6 +711,27 @@ static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
|
|||
return link;
|
||||
};
|
||||
|
||||
static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
|
||||
struct snd_kcontrol *k, int event)
|
||||
{
|
||||
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
|
||||
|
||||
if (scodec->gpio_pa)
|
||||
gpiod_set_value_cansleep(scodec->gpio_pa,
|
||||
!!SND_SOC_DAPM_EVENT_ON(event));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
|
||||
SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
|
||||
{ "Speaker", NULL, "HP Right" },
|
||||
{ "Speaker", NULL, "HP Left" },
|
||||
};
|
||||
|
||||
static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
|
||||
{
|
||||
struct snd_soc_card *card;
|
||||
|
|
@ -583,6 +746,10 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
|
|||
|
||||
card->dev = dev;
|
||||
card->name = "sun4i-codec";
|
||||
card->dapm_widgets = sun4i_codec_card_dapm_widgets;
|
||||
card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
|
||||
card->dapm_routes = sun4i_codec_card_dapm_routes;
|
||||
card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
|
||||
|
||||
return card;
|
||||
};
|
||||
|
|
@ -634,11 +801,25 @@ static int sun4i_codec_probe(struct platform_device *pdev)
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
|
||||
GPIOD_OUT_LOW);
|
||||
if (IS_ERR(scodec->gpio_pa)) {
|
||||
ret = PTR_ERR(scodec->gpio_pa);
|
||||
if (ret != -EPROBE_DEFER)
|
||||
dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* DMA configuration for TX FIFO */
|
||||
scodec->playback_dma_data.addr = res->start + SUN4I_CODEC_DAC_TXDATA;
|
||||
scodec->playback_dma_data.maxburst = 4;
|
||||
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
||||
|
||||
/* DMA configuration for RX FIFO */
|
||||
scodec->capture_dma_data.addr = res->start + SUN4I_CODEC_ADC_RXDATA;
|
||||
scodec->capture_dma_data.maxburst = 4;
|
||||
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
||||
|
||||
ret = snd_soc_register_codec(&pdev->dev, &sun4i_codec_codec,
|
||||
&sun4i_codec_dai, 1);
|
||||
if (ret) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue