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Diffstat (limited to 'sound/soc/fsl/imx-card.c')
-rw-r--r--sound/soc/fsl/imx-card.c212
1 files changed, 150 insertions, 62 deletions
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c
index 6f8efd838fcc..28699d7b75ca 100644
--- a/sound/soc/fsl/imx-card.c
+++ b/sound/soc/fsl/imx-card.c
@@ -5,9 +5,8 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gpio/consumer.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/i2c.h>
-#include <linux/of_gpio.h>
#include <linux/clk.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
@@ -17,12 +16,17 @@
#include "fsl_sai.h"
+#define IMX_CARD_MCLK_22P5792MHZ 22579200
+#define IMX_CARD_MCLK_24P576MHZ 24576000
+
enum codec_type {
CODEC_DUMMY = 0,
CODEC_AK5558 = 1,
CODEC_AK4458,
CODEC_AK4497,
CODEC_AK5552,
+ CODEC_CS42888,
+ CODEC_WM8524,
};
/*
@@ -115,7 +119,7 @@ struct imx_card_data {
struct snd_soc_card card;
int num_dapm_routes;
u32 asrc_rate;
- u32 asrc_format;
+ snd_pcm_format_t asrc_format;
};
static struct imx_akcodec_fs_mul ak4458_fs_mul[] = {
@@ -183,6 +187,23 @@ static struct imx_akcodec_tdm_fs_mul ak5558_tdm_fs_mul[] = {
{ .min = 512, .max = 512, .mul = 1024 },
};
+static struct imx_akcodec_fs_mul cs42888_fs_mul[] = {
+ { .rmin = 8000, .rmax = 48000, .wmin = 256, .wmax = 1024, },
+ { .rmin = 64000, .rmax = 96000, .wmin = 128, .wmax = 512, },
+ { .rmin = 176400, .rmax = 192000, .wmin = 64, .wmax = 256, },
+};
+
+static struct imx_akcodec_tdm_fs_mul cs42888_tdm_fs_mul[] = {
+ { .min = 256, .max = 256, .mul = 256 },
+};
+
+static struct imx_akcodec_fs_mul wm8524_fs_mul[] = {
+ { .rmin = 8000, .rmax = 32000, .wmin = 256, .wmax = 1152, },
+ { .rmin = 44100, .rmax = 48000, .wmin = 256, .wmax = 768, },
+ { .rmin = 88200, .rmax = 96000, .wmin = 128, .wmax = 384, },
+ { .rmin = 176400, .rmax = 192000, .wmin = 128, .wmax = 192, },
+};
+
static const u32 akcodec_rates[] = {
8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
96000, 176400, 192000, 352800, 384000, 705600, 768000,
@@ -208,6 +229,18 @@ static const u32 ak5558_tdm_channels[] = {
1, 2, 3, 4, 5, 6, 7, 8,
};
+static const u32 cs42888_channels[] = {
+ 1, 2, 4, 6, 8,
+};
+
+static const u32 cs42888_tdm_channels[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8,
+};
+
+static const u32 wm8524_channels[] = {
+ 2,
+};
+
static bool format_is_dsd(struct snd_pcm_hw_params *params)
{
snd_pcm_format_t format = params_format(params);
@@ -239,6 +272,8 @@ static bool codec_is_akcodec(unsigned int type)
case CODEC_AK4497:
case CODEC_AK5558:
case CODEC_AK5552:
+ case CODEC_CS42888:
+ case CODEC_WM8524:
return true;
default:
break;
@@ -250,10 +285,10 @@ static unsigned long akcodec_get_mclk_rate(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
int slots, int slot_width)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct imx_card_data *data = snd_soc_card_get_drvdata(rtd->card);
const struct imx_card_plat_data *plat_data = data->plat_data;
- struct dai_link_data *link_data = &data->link_data[rtd->num];
+ struct dai_link_data *link_data = &data->link_data[rtd->id];
unsigned int width = slots * slot_width;
unsigned int rate = params_rate(params);
int i;
@@ -287,11 +322,11 @@ static unsigned long akcodec_get_mclk_rate(struct snd_pcm_substream *substream,
static int imx_aif_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_card *card = rtd->card;
struct imx_card_data *data = snd_soc_card_get_drvdata(card);
- struct dai_link_data *link_data = &data->link_data[rtd->num];
+ struct dai_link_data *link_data = &data->link_data[rtd->id];
struct imx_card_plat_data *plat_data = data->plat_data;
struct device *dev = card->dev;
struct snd_soc_dai *codec_dai;
@@ -317,7 +352,7 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
}
}
- ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
+ ret = snd_soc_dai_set_fmt(cpu_dai, snd_soc_daifmt_clock_provider_flipped(fmt));
if (ret && ret != -ENOTSUPP) {
dev_err(dev, "failed to set cpu dai fmt: %d\n", ret);
return ret;
@@ -338,13 +373,15 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
return ret;
}
- ret = snd_soc_dai_set_tdm_slot(codec_dai,
- BIT(slots) - 1,
- BIT(slots) - 1,
- slots, slot_width);
- if (ret && ret != -ENOTSUPP) {
- dev_err(dev, "failed to set codec dai[%d] tdm slot: %d\n", i, ret);
- return ret;
+ if (format_is_tdm(link_data)) {
+ ret = snd_soc_dai_set_tdm_slot(codec_dai,
+ BIT(slots) - 1,
+ BIT(slots) - 1,
+ slots, slot_width);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(dev, "failed to set codec dai[%d] tdm slot: %d\n", i, ret);
+ return ret;
+ }
}
}
@@ -353,9 +390,14 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
mclk_freq = akcodec_get_mclk_rate(substream, params, slots, slot_width);
else
mclk_freq = params_rate(params) * slots * slot_width;
- /* Use the maximum freq from DSD512 (512*44100 = 22579200) */
- if (format_is_dsd(params))
- mclk_freq = 22579200;
+
+ if (format_is_dsd(params)) {
+ /* Use the maximum freq from DSD512 (512*44100 = 22579200) */
+ if (!(params_rate(params) % 11025))
+ mclk_freq = IMX_CARD_MCLK_22P5792MHZ;
+ else
+ mclk_freq = IMX_CARD_MCLK_24P576MHZ;
+ }
ret = snd_soc_dai_set_sysclk(cpu_dai, link_data->cpu_sysclk_id, mclk_freq,
SND_SOC_CLOCK_OUT);
@@ -363,6 +405,11 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
dev_err(dev, "failed to set cpui dai mclk1 rate (%lu): %d\n", mclk_freq, ret);
return ret;
}
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk_freq, SND_SOC_CLOCK_IN);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(dev, "failed to set codec dai mclk rate (%lu): %d\n", mclk_freq, ret);
+ return ret;
+ }
return 0;
}
@@ -398,10 +445,10 @@ static int ak5558_hw_rule_rate(struct snd_pcm_hw_params *p, struct snd_pcm_hw_ru
static int imx_aif_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct imx_card_data *data = snd_soc_card_get_drvdata(card);
- struct dai_link_data *link_data = &data->link_data[rtd->num];
+ struct dai_link_data *link_data = &data->link_data[rtd->id];
static struct snd_pcm_hw_constraint_list constraint_rates;
static struct snd_pcm_hw_constraint_list constraint_channels;
int ret = 0;
@@ -443,9 +490,24 @@ static int imx_aif_startup(struct snd_pcm_substream *substream)
return ret;
}
+static void imx_aif_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai *cpu_dai;
+ struct snd_soc_dai *codec_dai;
+ int i;
+
+ for_each_rtd_cpu_dais(rtd, i, cpu_dai)
+ snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT);
+
+ for_each_rtd_codec_dais(rtd, i, codec_dai)
+ snd_soc_dai_set_sysclk(codec_dai, 0, 0, SND_SOC_CLOCK_IN);
+}
+
static const struct snd_soc_ops imx_aif_ops = {
.hw_params = imx_aif_hw_params,
.startup = imx_aif_startup,
+ .shutdown = imx_aif_shutdown,
};
static const struct snd_soc_ops imx_aif_ops_be = {
@@ -466,7 +528,7 @@ static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
snd_mask_none(mask);
- snd_mask_set(mask, data->asrc_format);
+ snd_mask_set(mask, (__force unsigned int)data->asrc_format);
return 0;
}
@@ -479,12 +541,13 @@ static int imx_card_parse_of(struct imx_card_data *data)
struct device_node *platform = NULL;
struct device_node *codec = NULL;
struct device_node *cpu = NULL;
- struct device_node *np;
struct device *dev = card->dev;
struct snd_soc_dai_link *link;
struct dai_link_data *link_data;
struct of_phandle_args args;
+ bool playback_only, capture_only;
int ret, num_links;
+ u32 asrc_fmt = 0;
u32 width;
ret = snd_soc_of_parse_card_name(card, "model");
@@ -494,7 +557,7 @@ static int imx_card_parse_of(struct imx_card_data *data)
}
/* DAPM routes */
- if (of_property_read_bool(dev->of_node, "audio-routing")) {
+ if (of_property_present(dev->of_node, "audio-routing")) {
ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
if (ret)
return ret;
@@ -508,7 +571,7 @@ static int imx_card_parse_of(struct imx_card_data *data)
if (!card->dai_link)
return -ENOMEM;
- data->link_data = devm_kcalloc(dev, num_links, sizeof(*link), GFP_KERNEL);
+ data->link_data = devm_kcalloc(dev, num_links, sizeof(*link_data), GFP_KERNEL);
if (!data->link_data)
return -ENOMEM;
@@ -516,11 +579,10 @@ static int imx_card_parse_of(struct imx_card_data *data)
link = card->dai_link;
link_data = data->link_data;
- for_each_child_of_node(dev->of_node, np) {
+ for_each_child_of_node_scoped(dev->of_node, np) {
dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
if (!dlc) {
- ret = -ENOMEM;
- goto err_put_np;
+ return -ENOMEM;
}
link->cpus = &dlc[0];
@@ -531,8 +593,8 @@ static int imx_card_parse_of(struct imx_card_data *data)
ret = of_property_read_string(np, "link-name", &link->name);
if (ret) {
- dev_err(card->dev, "error getting codec dai_link name\n");
- goto err_put_np;
+ return dev_err_probe(card->dev, ret,
+ "error getting codec dai_link name\n");
}
cpu = of_get_child_by_name(np, "cpu");
@@ -542,10 +604,10 @@ static int imx_card_parse_of(struct imx_card_data *data)
goto err;
}
- ret = of_parse_phandle_with_args(cpu, "sound-dai",
- "#sound-dai-cells", 0, &args);
+ ret = snd_soc_of_get_dlc(cpu, &args, link->cpus, 0);
if (ret) {
- dev_err(card->dev, "%s: error getting cpu phandle\n", link->name);
+ dev_err_probe(card->dev, ret,
+ "%s: error getting cpu dai info\n", link->name);
goto err;
}
@@ -554,7 +616,7 @@ static int imx_card_parse_of(struct imx_card_data *data)
link_data->cpu_sysclk_id = FSL_SAI_CLK_MAST1;
/* sai may support mclk/bclk = 1 */
- if (of_find_property(np, "fsl,mclk-equal-bclk", NULL)) {
+ if (of_property_read_bool(np, "fsl,mclk-equal-bclk")) {
link_data->one2one_ratio = true;
} else {
int i;
@@ -573,17 +635,9 @@ static int imx_card_parse_of(struct imx_card_data *data)
}
}
- link->cpus->of_node = args.np;
link->platforms->of_node = link->cpus->of_node;
link->id = args.args[0];
- ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name);
- if (ret) {
- dev_err_probe(card->dev, ret,
- "%s: error getting cpu dai name\n", link->name);
- goto err;
- }
-
codec = of_get_child_by_name(np, "codec");
if (codec) {
ret = snd_soc_of_get_dai_link_codecs(dev, codec, link);
@@ -604,19 +658,14 @@ static int imx_card_parse_of(struct imx_card_data *data)
plat_data->type = CODEC_AK5558;
else if (!strcmp(link->codecs->dai_name, "ak5552-aif"))
plat_data->type = CODEC_AK5552;
+ else if (!strcmp(link->codecs->dai_name, "cs42888"))
+ plat_data->type = CODEC_CS42888;
+ else if (!strcmp(link->codecs->dai_name, "wm8524-hifi"))
+ plat_data->type = CODEC_WM8524;
} else {
- dlc = devm_kzalloc(dev, sizeof(*dlc), GFP_KERNEL);
- if (!dlc) {
- ret = -ENOMEM;
- goto err;
- }
-
- link->codecs = dlc;
+ link->codecs = &snd_soc_dummy_dlc;
link->num_codecs = 1;
-
- link->codecs->dai_name = "snd-soc-dummy-dai";
- link->codecs->name = "snd-soc-dummy";
}
if (!strncmp(link->name, "HiFi-ASRC-FE", 12)) {
@@ -631,7 +680,8 @@ static int imx_card_parse_of(struct imx_card_data *data)
goto err;
}
- ret = of_property_read_u32(args.np, "fsl,asrc-format", &data->asrc_format);
+ ret = of_property_read_u32(args.np, "fsl,asrc-format", &asrc_fmt);
+ data->asrc_format = (__force snd_pcm_format_t)asrc_fmt;
if (ret) {
/* Fallback to old binding; translate to asrc_format */
ret = of_property_read_u32(args.np, "fsl,asrc-width", &width);
@@ -648,9 +698,12 @@ static int imx_card_parse_of(struct imx_card_data *data)
}
} else if (!strncmp(link->name, "HiFi-ASRC-BE", 12)) {
/* DPCM backend */
+ /*
+ * No need to have link->platforms. alloced dlc[1] will be just wasted,
+ * but it won't leak.
+ */
link->no_pcm = 1;
- link->platforms->of_node = NULL;
- link->platforms->name = "snd-soc-dummy";
+ link->platforms = NULL;
link->be_hw_params_fixup = be_hw_params_fixup;
link->ops = &imx_aif_ops_be;
@@ -658,11 +711,12 @@ static int imx_card_parse_of(struct imx_card_data *data)
link->ops = &imx_aif_ops;
}
- if (link->no_pcm || link->dynamic)
- snd_soc_dai_link_set_capabilities(link);
+ graph_util_parse_link_direction(np, &playback_only, &capture_only);
+ link->playback_only = playback_only;
+ link->capture_only = capture_only;
/* Get dai fmt */
- ret = asoc_simple_parse_daifmt(dev, np, codec,
+ ret = simple_util_parse_daifmt(dev, np, codec,
NULL, &link->dai_fmt);
if (ret)
link->dai_fmt = SND_SOC_DAIFMT_NB_NF |
@@ -688,6 +742,10 @@ static int imx_card_parse_of(struct imx_card_data *data)
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
+
+ cpu = NULL;
+ codec = NULL;
+ platform = NULL;
}
return 0;
@@ -695,8 +753,7 @@ err:
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
-err_put_np:
- of_node_put(np);
+
return ret;
}
@@ -717,6 +774,7 @@ static int imx_card_probe(struct platform_device *pdev)
data->plat_data = plat_data;
data->card.dev = &pdev->dev;
+ data->card.owner = THIS_MODULE;
dev_set_drvdata(&pdev->dev, &data->card);
snd_soc_card_set_drvdata(&data->card, data);
@@ -744,6 +802,8 @@ static int imx_card_probe(struct platform_device *pdev)
data->dapm_routes[i].sink =
devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d %s",
i + 1, "Playback");
+ if (!data->dapm_routes[i].sink)
+ return -ENOMEM;
data->dapm_routes[i].source = "CPU-Playback";
}
}
@@ -761,12 +821,24 @@ static int imx_card_probe(struct platform_device *pdev)
data->dapm_routes[i].source =
devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d %s",
i + 1, "Capture");
+ if (!data->dapm_routes[i].source)
+ return -ENOMEM;
data->dapm_routes[i].sink = "CPU-Capture";
}
}
data->dapm_routes[i].sink = "ASRC-Capture";
data->dapm_routes[i].source = "CPU-Capture";
break;
+ case CODEC_CS42888:
+ data->dapm_routes[0].sink = "Playback";
+ data->dapm_routes[0].source = "CPU-Playback";
+ data->dapm_routes[1].sink = "CPU-Capture";
+ data->dapm_routes[1].source = "Capture";
+ break;
+ case CODEC_WM8524:
+ data->dapm_routes[0].sink = "Playback";
+ data->dapm_routes[0].source = "CPU-Playback";
+ break;
default:
break;
}
@@ -806,6 +878,22 @@ static int imx_card_probe(struct platform_device *pdev)
plat_data->support_tdm_channels = ak5558_tdm_channels;
plat_data->num_tdm_channels = ARRAY_SIZE(ak5558_tdm_channels);
break;
+ case CODEC_CS42888:
+ plat_data->fs_mul = cs42888_fs_mul;
+ plat_data->num_fs_mul = ARRAY_SIZE(cs42888_fs_mul);
+ plat_data->tdm_fs_mul = cs42888_tdm_fs_mul;
+ plat_data->num_tdm_fs_mul = ARRAY_SIZE(cs42888_tdm_fs_mul);
+ plat_data->support_channels = cs42888_channels;
+ plat_data->num_channels = ARRAY_SIZE(cs42888_channels);
+ plat_data->support_tdm_channels = cs42888_tdm_channels;
+ plat_data->num_tdm_channels = ARRAY_SIZE(cs42888_tdm_channels);
+ break;
+ case CODEC_WM8524:
+ plat_data->fs_mul = wm8524_fs_mul;
+ plat_data->num_fs_mul = ARRAY_SIZE(wm8524_fs_mul);
+ plat_data->support_channels = wm8524_channels;
+ plat_data->num_channels = ARRAY_SIZE(wm8524_channels);
+ break;
default:
break;
}
@@ -821,8 +909,8 @@ static int imx_card_probe(struct platform_device *pdev)
}
for_each_card_prelinks(&data->card, i, link) {
if (link->dynamic == 1 && link_be) {
- link->dpcm_playback = link_be->dpcm_playback;
- link->dpcm_capture = link_be->dpcm_capture;
+ link->playback_only = link_be->playback_only;
+ link->capture_only = link_be->capture_only;
}
}
}
generated by cgit (git 2.34.1) at 2025-12-26 09:46:15 +0000