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Diffstat (limited to 'sound/soc/fsl/imx-audmix.c')
-rw-r--r--sound/soc/fsl/imx-audmix.c171
1 files changed, 77 insertions, 94 deletions
diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c
index 202fb8950078..dac5d4ddacd6 100644
--- a/sound/soc/fsl/imx-audmix.c
+++ b/sound/soc/fsl/imx-audmix.c
@@ -15,7 +15,6 @@
#include <linux/clk.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <linux/pm_runtime.h>
#include "fsl_sai.h"
#include "fsl_audmix.h"
@@ -24,7 +23,6 @@ struct imx_audmix {
struct snd_soc_card card;
struct platform_device *audmix_pdev;
struct platform_device *out_pdev;
- struct clk *cpu_mclk;
int num_dai;
struct snd_soc_dai_link *dai;
int num_dai_conf;
@@ -33,34 +31,11 @@ struct imx_audmix {
struct snd_soc_dapm_route *dapm_routes;
};
-static const u32 imx_audmix_rates[] = {
- 8000, 12000, 16000, 24000, 32000, 48000, 64000, 96000,
-};
-
-static const struct snd_pcm_hw_constraint_list imx_audmix_rate_constraints = {
- .count = ARRAY_SIZE(imx_audmix_rates),
- .list = imx_audmix_rates,
-};
-
static int imx_audmix_fe_startup(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct imx_audmix *priv = snd_soc_card_get_drvdata(rtd->card);
struct snd_pcm_runtime *runtime = substream->runtime;
- struct device *dev = rtd->card->dev;
- unsigned long clk_rate = clk_get_rate(priv->cpu_mclk);
int ret;
- if (clk_rate % 24576000 == 0) {
- ret = snd_pcm_hw_constraint_list(runtime, 0,
- SNDRV_PCM_HW_PARAM_RATE,
- &imx_audmix_rate_constraints);
- if (ret < 0)
- return ret;
- } else {
- dev_warn(dev, "mclk may be not supported %lu\n", clk_rate);
- }
-
ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS,
1, 8);
if (ret < 0)
@@ -73,25 +48,25 @@ static int imx_audmix_fe_startup(struct snd_pcm_substream *substream)
static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct device *dev = rtd->card->dev;
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF;
u32 channels = params_channels(params);
int ret, dir;
- /* For playback the AUDMIX is slave, and for record is master */
- fmt |= tx ? SND_SOC_DAIFMT_CBS_CFS : SND_SOC_DAIFMT_CBM_CFM;
+ /* For playback the AUDMIX is consumer, and for record is provider */
+ fmt |= tx ? SND_SOC_DAIFMT_BP_FP : SND_SOC_DAIFMT_BC_FC;
dir = tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN;
/* set DAI configuration */
- ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt);
+ ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt);
if (ret) {
dev_err(dev, "failed to set cpu dai fmt: %d\n", ret);
return ret;
}
- ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir);
+ ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir);
if (ret) {
dev_err(dev, "failed to set cpu sysclk: %d\n", ret);
return ret;
@@ -101,7 +76,7 @@ static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream,
* Per datasheet, AUDMIX expects 8 slots and 32 bits
* for every slot in TDM mode.
*/
- ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), BIT(channels) - 1,
+ ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), BIT(channels) - 1,
BIT(channels) - 1, 8, 32);
if (ret)
dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret);
@@ -112,7 +87,7 @@ static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream,
static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct device *dev = rtd->card->dev;
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF;
@@ -121,26 +96,33 @@ static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream,
if (!tx)
return 0;
- /* For playback the AUDMIX is slave */
- fmt |= SND_SOC_DAIFMT_CBM_CFM;
+ /* For playback the AUDMIX is consumer */
+ fmt |= SND_SOC_DAIFMT_BC_FC;
/* set AUDMIX DAI configuration */
- ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt);
+ ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt);
if (ret)
dev_err(dev, "failed to set AUDMIX DAI fmt: %d\n", ret);
return ret;
}
-static struct snd_soc_ops imx_audmix_fe_ops = {
+static const struct snd_soc_ops imx_audmix_fe_ops = {
.startup = imx_audmix_fe_startup,
.hw_params = imx_audmix_fe_hw_params,
};
-static struct snd_soc_ops imx_audmix_be_ops = {
+static const struct snd_soc_ops imx_audmix_be_ops = {
.hw_params = imx_audmix_be_hw_params,
};
+static const char *name[][3] = {
+ {"HiFi-AUDMIX-FE-0", "HiFi-AUDMIX-FE-1", "HiFi-AUDMIX-FE-2"},
+ {"sai-tx", "sai-tx", "sai-rx"},
+ {"AUDMIX-Playback-0", "AUDMIX-Playback-1", "SAI-Capture"},
+ {"SAI-Playback", "SAI-Playback", "AUDMIX-Capture-0"},
+};
+
static int imx_audmix_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -151,7 +133,7 @@ static int imx_audmix_probe(struct platform_device *pdev)
struct imx_audmix *priv;
int i, num_dai, ret;
const char *fe_name_pref = "HiFi-AUDMIX-FE-";
- char *be_name, *be_pb, *be_cp, *dai_name, *capture_dai_name;
+ char *be_name, *dai_name;
if (pdev->dev.parent) {
audmix_np = pdev->dev.parent->of_node;
@@ -184,21 +166,22 @@ static int imx_audmix_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
+ num_dai += 1;
priv->num_dai = 2 * num_dai;
- priv->dai = devm_kzalloc(&pdev->dev, priv->num_dai *
+ priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai,
sizeof(struct snd_soc_dai_link), GFP_KERNEL);
if (!priv->dai)
return -ENOMEM;
priv->num_dai_conf = num_dai;
- priv->dai_conf = devm_kzalloc(&pdev->dev, priv->num_dai_conf *
+ priv->dai_conf = devm_kcalloc(&pdev->dev, priv->num_dai_conf,
sizeof(struct snd_soc_codec_conf),
GFP_KERNEL);
if (!priv->dai_conf)
return -ENOMEM;
- priv->num_dapm_routes = 3 * num_dai;
- priv->dapm_routes = devm_kzalloc(&pdev->dev, priv->num_dapm_routes *
+ priv->num_dapm_routes = num_dai;
+ priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes,
sizeof(struct snd_soc_dapm_route),
GFP_KERNEL);
if (!priv->dapm_routes)
@@ -207,15 +190,17 @@ static int imx_audmix_probe(struct platform_device *pdev)
for (i = 0; i < num_dai; i++) {
struct snd_soc_dai_link_component *dlc;
- /* for CPU/Codec/Platform x 2 */
- dlc = devm_kzalloc(&pdev->dev, 6 * sizeof(*dlc), GFP_KERNEL);
- if (!dlc) {
- dev_err(&pdev->dev, "failed to allocate dai_link\n");
+ /* for CPU x 2 */
+ dlc = devm_kcalloc(&pdev->dev, 2, sizeof(*dlc), GFP_KERNEL);
+ if (!dlc)
return -ENOMEM;
- }
- ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i,
- &args);
+ if (i == num_dai - 1)
+ ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, 0,
+ &args);
+ else
+ ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i,
+ &args);
if (ret < 0) {
dev_err(&pdev->dev, "of_parse_phandle_with_args failed\n");
return ret;
@@ -229,77 +214,82 @@ static int imx_audmix_probe(struct platform_device *pdev)
put_device(&cpu_pdev->dev);
dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s",
- fe_name_pref, args.np->full_name + 1);
+ fe_name_pref, args.np->full_name);
+ if (!dai_name)
+ return -ENOMEM;
dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name);
- if (i == 0) {
+ if (i == num_dai - 1)
out_cpu_np = args.np;
- capture_dai_name =
- devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
- dai_name, "CPU-Capture");
- }
- priv->dai[i].cpus = &dlc[0];
- priv->dai[i].codecs = &dlc[1];
- priv->dai[i].platforms = &dlc[2];
+ /*
+ * CPU == Platform
+ * platform is using soc-generic-dmaengine-pcm
+ */
+ priv->dai[i].cpus =
+ priv->dai[i].platforms = &dlc[0];
+ priv->dai[i].codecs = &snd_soc_dummy_dlc;
priv->dai[i].num_cpus = 1;
priv->dai[i].num_codecs = 1;
priv->dai[i].num_platforms = 1;
-
- priv->dai[i].name = dai_name;
+ priv->dai[i].name = name[0][i];
priv->dai[i].stream_name = "HiFi-AUDMIX-FE";
- priv->dai[i].codecs->dai_name = "snd-soc-dummy-dai";
- priv->dai[i].codecs->name = "snd-soc-dummy";
priv->dai[i].cpus->of_node = args.np;
- priv->dai[i].cpus->dai_name = dev_name(&cpu_pdev->dev);
- priv->dai[i].platforms->of_node = args.np;
+ priv->dai[i].cpus->dai_name = name[1][i];
+
priv->dai[i].dynamic = 1;
- priv->dai[i].dpcm_playback = 1;
- priv->dai[i].dpcm_capture = (i == 0 ? 1 : 0);
+ if (i == num_dai - 1)
+ priv->dai[i].capture_only = 1;
+ else
+ priv->dai[i].playback_only = 1;
priv->dai[i].ignore_pmdown_time = 1;
priv->dai[i].ops = &imx_audmix_fe_ops;
/* Add AUDMIX Backend */
be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
"audmix-%d", i);
- be_pb = devm_kasprintf(&pdev->dev, GFP_KERNEL,
- "AUDMIX-Playback-%d", i);
- be_cp = devm_kasprintf(&pdev->dev, GFP_KERNEL,
- "AUDMIX-Capture-%d", i);
+ if (!be_name)
+ return -ENOMEM;
- priv->dai[num_dai + i].cpus = &dlc[3];
- priv->dai[num_dai + i].codecs = &dlc[4];
- priv->dai[num_dai + i].platforms = &dlc[5];
+ priv->dai[num_dai + i].cpus = &dlc[1];
+ priv->dai[num_dai + i].codecs = &snd_soc_dummy_dlc;
priv->dai[num_dai + i].num_cpus = 1;
priv->dai[num_dai + i].num_codecs = 1;
- priv->dai[num_dai + i].num_platforms = 1;
priv->dai[num_dai + i].name = be_name;
- priv->dai[num_dai + i].codecs->dai_name = "snd-soc-dummy-dai";
- priv->dai[num_dai + i].codecs->name = "snd-soc-dummy";
priv->dai[num_dai + i].cpus->of_node = audmix_np;
priv->dai[num_dai + i].cpus->dai_name = be_name;
- priv->dai[num_dai + i].platforms->name = "snd-soc-dummy";
priv->dai[num_dai + i].no_pcm = 1;
- priv->dai[num_dai + i].dpcm_playback = 1;
- priv->dai[num_dai + i].dpcm_capture = 1;
+ if (i == num_dai - 1)
+ priv->dai[num_dai + i].capture_only = 1;
+ else
+ priv->dai[num_dai + i].playback_only = 1;
priv->dai[num_dai + i].ignore_pmdown_time = 1;
priv->dai[num_dai + i].ops = &imx_audmix_be_ops;
priv->dai_conf[i].dlc.of_node = args.np;
priv->dai_conf[i].name_prefix = dai_name;
- priv->dapm_routes[i].source =
- devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
- dai_name, "CPU-Playback");
- priv->dapm_routes[i].sink = be_pb;
- priv->dapm_routes[num_dai + i].source = be_pb;
- priv->dapm_routes[num_dai + i].sink = be_cp;
- priv->dapm_routes[2 * num_dai + i].source = be_cp;
- priv->dapm_routes[2 * num_dai + i].sink = capture_dai_name;
+ if (i == num_dai - 1) {
+ priv->dapm_routes[i].sink =
+ devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
+ dai_name, name[2][i]);
+ if (!priv->dapm_routes[i].sink)
+ return -ENOMEM;
+
+ priv->dapm_routes[i].source = name[3][i];
+ } else {
+ priv->dapm_routes[i].source =
+ devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
+ dai_name, name[3][i]);
+ if (!priv->dapm_routes[i].source)
+ return -ENOMEM;
+
+ priv->dapm_routes[i].sink = name[2][i];
+ }
}
cpu_pdev = of_find_device_by_node(out_cpu_np);
@@ -309,13 +299,6 @@ static int imx_audmix_probe(struct platform_device *pdev)
}
put_device(&cpu_pdev->dev);
- priv->cpu_mclk = devm_clk_get(&cpu_pdev->dev, "mclk1");
- if (IS_ERR(priv->cpu_mclk)) {
- ret = PTR_ERR(priv->cpu_mclk);
- dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret);
- return -EINVAL;
- }
-
priv->audmix_pdev = audmix_pdev;
priv->out_pdev = cpu_pdev;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.