From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/intel/boards/bytcht_da7213.c | 94 +++++++++++++++++++++++++++++------------------
1 files changed, 58 insertions(+), 36 deletions(-)
diff --git a/kernel/sound/soc/intel/boards/bytcht_da7213.c b/kernel/sound/soc/intel/boards/bytcht_da7213.c
index 2179ded..e1e46b4 100644
--- a/kernel/sound/soc/intel/boards/bytcht_da7213.c
+++ b/kernel/sound/soc/intel/boards/bytcht_da7213.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* bytcht-da7213.c - ASoc Machine driver for Intel Baytrail and
* Cherrytrail-based platforms, with Dialog DA7213 codec
@@ -7,15 +8,6 @@
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
@@ -23,7 +15,6 @@
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <asm/platform_sst_audio.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@@ -87,7 +78,7 @@
* with explicit setting to I2S 2ch 24-bit. The word length is set with
* dai_set_tdm_slot() since there is no other API exposed
*/
- ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
+ ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS);
@@ -96,7 +87,7 @@
return ret;
}
- ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
+ ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 24);
if (ret < 0) {
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
return ret;
@@ -114,8 +105,8 @@
static int aif1_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 *codec_dai = rtd->codec_dai;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai, DA7213_CLKSRC_MCLK,
@@ -135,8 +126,8 @@
static int aif1_hw_free(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int ret;
ret = snd_soc_dai_set_pll(codec_dai, 0,
@@ -159,42 +150,50 @@
};
+SND_SOC_DAILINK_DEF(dummy,
+ DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+SND_SOC_DAILINK_DEF(media,
+ DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(deepbuffer,
+ DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(ssp2_port,
+ DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
+SND_SOC_DAILINK_DEF(ssp2_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7213:00",
+ "da7213-hifi")));
+
+SND_SOC_DAILINK_DEF(platform,
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
+
static struct snd_soc_dai_link dailink[] = {
[MERR_DPCM_AUDIO] = {
.name = "Audio Port",
.stream_name = "Audio",
- .cpu_dai_name = "media-cpu-dai",
- .codec_dai_name = "snd-soc-dummy-dai",
- .codec_name = "snd-soc-dummy",
- .platform_name = "sst-mfld-platform",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &aif1_ops,
+ SND_SOC_DAILINK_REG(media, dummy, platform),
},
[MERR_DPCM_DEEP_BUFFER] = {
.name = "Deep-Buffer Audio Port",
.stream_name = "Deep-Buffer Audio",
- .cpu_dai_name = "deepbuffer-cpu-dai",
- .codec_dai_name = "snd-soc-dummy-dai",
- .codec_name = "snd-soc-dummy",
- .platform_name = "sst-mfld-platform",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.ops = &aif1_ops,
+ SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
},
/* CODEC<->CODEC link */
/* back ends */
{
.name = "SSP2-Codec",
.id = 0,
- .cpu_dai_name = "ssp2-port",
- .platform_name = "sst-mfld-platform",
.no_pcm = 1,
- .codec_dai_name = "da7213-hifi",
- .codec_name = "i2c-DLGS7213:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBS_CFS,
.be_hw_params_fixup = codec_fixup,
@@ -202,12 +201,23 @@
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &ssp2_ops,
+ SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
},
};
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+/* use space before codec name to simplify card ID, and simplify driver name */
+#define CARD_NAME "bytcht da7213" /* card name will be 'sof-bytcht da7213' */
+#define DRIVER_NAME "SOF"
+#else
+#define CARD_NAME "bytcht-da7213"
+#define DRIVER_NAME NULL /* card name will be used for driver name */
+#endif
+
/* SoC card */
static struct snd_soc_card bytcht_da7213_card = {
- .name = "bytcht-da7213",
+ .name = CARD_NAME,
+ .driver_name = DRIVER_NAME,
.owner = THIS_MODULE,
.dai_link = dailink,
.num_links = ARRAY_SIZE(dailink),
@@ -225,30 +235,39 @@
{
struct snd_soc_card *card;
struct snd_soc_acpi_mach *mach;
- const char *i2c_name = NULL;
+ const char *platform_name;
+ struct acpi_device *adev;
int dai_index = 0;
int ret_val = 0;
int i;
- mach = (&pdev->dev)->platform_data;
+ mach = pdev->dev.platform_data;
card = &bytcht_da7213_card;
card->dev = &pdev->dev;
/* fix index of codec dai */
for (i = 0; i < ARRAY_SIZE(dailink); i++) {
- if (!strcmp(dailink[i].codec_name, "i2c-DLGS7213:00")) {
+ if (!strcmp(dailink[i].codecs->name, "i2c-DLGS7213:00")) {
dai_index = i;
break;
}
}
/* fixup codec name based on HID */
- i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
- if (i2c_name) {
+ adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
+ if (adev) {
snprintf(codec_name, sizeof(codec_name),
- "%s%s", "i2c-", i2c_name);
- dailink[dai_index].codec_name = codec_name;
+ "i2c-%s", acpi_dev_name(adev));
+ put_device(&adev->dev);
+ dailink[dai_index].codecs->name = codec_name;
}
+
+ /* override plaform name, if required */
+ platform_name = mach->mach_params.platform;
+
+ ret_val = snd_soc_fixup_dai_links_platform_name(card, platform_name);
+ if (ret_val)
+ return ret_val;
ret_val = devm_snd_soc_register_card(&pdev->dev, card);
if (ret_val) {
@@ -263,6 +282,9 @@
static struct platform_driver bytcht_da7213_driver = {
.driver = {
.name = "bytcht_da7213",
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+ .pm = &snd_soc_pm_ops,
+#endif
},
.probe = bytcht_da7213_probe,
};
--
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