From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/sound/soc/atmel/atmel-classd.c | 169 +++++++++++++++++++++++---------------------------------
1 files changed, 69 insertions(+), 100 deletions(-)
diff --git a/kernel/sound/soc/atmel/atmel-classd.c b/kernel/sound/soc/atmel/atmel-classd.c
index 3d70061..f91a0e7 100644
--- a/kernel/sound/soc/atmel/atmel-classd.c
+++ b/kernel/sound/soc/atmel/atmel-classd.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Atmel ALSA SoC Audio Class D Amplifier (CLASSD) driver
*
* Copyright (C) 2015 Atmel
*
* Author: Songjun Wu <songjun.wu@atmel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 or later
- * as published by the Free Software Foundation.
*/
#include <linux/of.h>
@@ -121,40 +118,22 @@
static int atmel_classd_cpu_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
+ int err;
regmap_write(dd->regmap, CLASSD_THR, 0x0);
- return clk_prepare_enable(dd->pclk);
+ err = clk_prepare_enable(dd->pclk);
+ if (err)
+ return err;
+ err = clk_prepare_enable(dd->gclk);
+ if (err) {
+ clk_disable_unprepare(dd->pclk);
+ return err;
+ }
+ return 0;
}
-
-static void atmel_classd_cpu_dai_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *cpu_dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
-
- clk_disable_unprepare(dd->pclk);
-}
-
-static const struct snd_soc_dai_ops atmel_classd_cpu_dai_ops = {
- .startup = atmel_classd_cpu_dai_startup,
- .shutdown = atmel_classd_cpu_dai_shutdown,
-};
-
-static struct snd_soc_dai_driver atmel_classd_cpu_dai = {
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = ATMEL_CLASSD_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .ops = &atmel_classd_cpu_dai_ops,
-};
-
-static const struct snd_soc_component_driver atmel_classd_cpu_dai_component = {
- .name = "atmel-classd",
-};
/* platform */
static int
@@ -162,7 +141,7 @@
struct snd_pcm_hw_params *params,
struct dma_slave_config *slave_config)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
if (params_physical_width(params) != 16) {
@@ -309,31 +288,10 @@
return regcache_sync(dd->regmap);
}
-static struct snd_soc_component_driver soc_component_dev_classd = {
- .probe = atmel_classd_component_probe,
- .resume = atmel_classd_component_resume,
- .controls = atmel_classd_snd_controls,
- .num_controls = ARRAY_SIZE(atmel_classd_snd_controls),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- .non_legacy_dai_naming = 1,
-};
-
-/* codec dai component */
-static int atmel_classd_codec_dai_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *codec_dai)
+static int atmel_classd_cpu_dai_mute_stream(struct snd_soc_dai *cpu_dai,
+ int mute, int direction)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
-
- return clk_prepare_enable(dd->gclk);
-}
-
-static int atmel_classd_codec_dai_digital_mute(struct snd_soc_dai *codec_dai,
- int mute)
-{
- struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_component *component = cpu_dai->component;
u32 mask, val;
mask = CLASSD_MR_LMUTE_MASK | CLASSD_MR_RMUTE_MASK;
@@ -376,13 +334,13 @@
};
static int
-atmel_classd_codec_dai_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *codec_dai)
+atmel_classd_cpu_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
- struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_component *component = cpu_dai->component;
int fs;
int i, best, best_val, cur_val, ret;
u32 mask, val;
@@ -420,19 +378,19 @@
}
static void
-atmel_classd_codec_dai_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *codec_dai)
+atmel_classd_cpu_dai_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
clk_disable_unprepare(dd->gclk);
}
-static int atmel_classd_codec_dai_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *codec_dai)
+static int atmel_classd_cpu_dai_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_component *component = cpu_dai->component;
snd_soc_component_update_bits(component, CLASSD_MR,
CLASSD_MR_LEN_MASK | CLASSD_MR_REN_MASK,
@@ -442,10 +400,10 @@
return 0;
}
-static int atmel_classd_codec_dai_trigger(struct snd_pcm_substream *substream,
- int cmd, struct snd_soc_dai *codec_dai)
+static int atmel_classd_cpu_dai_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_component *component = cpu_dai->component;
u32 mask, val;
mask = CLASSD_MR_LEN_MASK | CLASSD_MR_REN_MASK;
@@ -471,19 +429,17 @@
return 0;
}
-static const struct snd_soc_dai_ops atmel_classd_codec_dai_ops = {
- .digital_mute = atmel_classd_codec_dai_digital_mute,
- .startup = atmel_classd_codec_dai_startup,
- .shutdown = atmel_classd_codec_dai_shutdown,
- .hw_params = atmel_classd_codec_dai_hw_params,
- .prepare = atmel_classd_codec_dai_prepare,
- .trigger = atmel_classd_codec_dai_trigger,
+static const struct snd_soc_dai_ops atmel_classd_cpu_dai_ops = {
+ .startup = atmel_classd_cpu_dai_startup,
+ .shutdown = atmel_classd_cpu_dai_shutdown,
+ .mute_stream = atmel_classd_cpu_dai_mute_stream,
+ .hw_params = atmel_classd_cpu_dai_hw_params,
+ .prepare = atmel_classd_cpu_dai_prepare,
+ .trigger = atmel_classd_cpu_dai_trigger,
+ .no_capture_mute = 1,
};
-#define ATMEL_CLASSD_CODEC_DAI_NAME "atmel-classd-hifi"
-
-static struct snd_soc_dai_driver atmel_classd_codec_dai = {
- .name = ATMEL_CLASSD_CODEC_DAI_NAME,
+static struct snd_soc_dai_driver atmel_classd_cpu_dai = {
.playback = {
.stream_name = "Playback",
.channels_min = 1,
@@ -491,7 +447,17 @@
.rates = ATMEL_CLASSD_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
- .ops = &atmel_classd_codec_dai_ops,
+ .ops = &atmel_classd_cpu_dai_ops,
+};
+
+static const struct snd_soc_component_driver atmel_classd_cpu_dai_component = {
+ .name = "atmel-classd",
+ .probe = atmel_classd_component_probe,
+ .resume = atmel_classd_component_resume,
+ .controls = atmel_classd_snd_controls,
+ .num_controls = ARRAY_SIZE(atmel_classd_snd_controls),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
};
/* ASoC sound card */
@@ -500,17 +466,30 @@
{
struct snd_soc_dai_link *dai_link;
struct atmel_classd *dd = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai_link_component *comp;
dai_link = devm_kzalloc(dev, sizeof(*dai_link), GFP_KERNEL);
if (!dai_link)
return -ENOMEM;
+ comp = devm_kzalloc(dev, 3 * sizeof(*comp), GFP_KERNEL);
+ if (!comp)
+ return -ENOMEM;
+
+ dai_link->cpus = &comp[0];
+ dai_link->codecs = &comp[1];
+ dai_link->platforms = &comp[2];
+
+ dai_link->num_cpus = 1;
+ dai_link->num_codecs = 1;
+ dai_link->num_platforms = 1;
+
dai_link->name = "CLASSD";
dai_link->stream_name = "CLASSD PCM";
- dai_link->codec_dai_name = ATMEL_CLASSD_CODEC_DAI_NAME;
- dai_link->cpu_dai_name = dev_name(dev);
- dai_link->codec_name = dev_name(dev);
- dai_link->platform_name = dev_name(dev);
+ dai_link->codecs->dai_name = "snd-soc-dummy-dai";
+ dai_link->cpus->dai_name = dev_name(dev);
+ dai_link->codecs->name = "snd-soc-dummy";
+ dai_link->platforms->name = dev_name(dev);
card->dai_link = dai_link;
card->num_links = 1;
@@ -561,11 +540,8 @@
dd->pdata = pdata;
dd->irq = platform_get_irq(pdev, 0);
- if (dd->irq < 0) {
- ret = dd->irq;
- dev_err(dev, "failed to could not get irq: %d\n", ret);
- return ret;
- }
+ if (dd->irq < 0)
+ return dd->irq;
dd->pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(dd->pclk)) {
@@ -610,13 +586,6 @@
0);
if (ret) {
dev_err(dev, "could not register platform: %d\n", ret);
- return ret;
- }
-
- ret = devm_snd_soc_register_component(dev, &soc_component_dev_classd,
- &atmel_classd_codec_dai, 1);
- if (ret) {
- dev_err(dev, "could not register component: %d\n", ret);
return ret;
}
--
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