From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/sound/soc/pxa/mmp-pcm.c | 72 +++++++++++++++++++++---------------
1 files changed, 42 insertions(+), 30 deletions(-)
diff --git a/kernel/sound/soc/pxa/mmp-pcm.c b/kernel/sound/soc/pxa/mmp-pcm.c
index d2d4652..53fc49e 100644
--- a/kernel/sound/soc/pxa/mmp-pcm.c
+++ b/kernel/sound/soc/pxa/mmp-pcm.c
@@ -1,13 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/sound/soc/pxa/mmp-pcm.c
*
* Copyright (C) 2011 Marvell International Ltd.
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
*/
#include <linux/module.h>
#include <linux/init.h>
@@ -60,8 +55,9 @@
},
};
-static int mmp_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int mmp_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
{
struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
struct dma_slave_config slave_config;
@@ -82,6 +78,18 @@
return 0;
}
+static int mmp_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
+{
+ return snd_dmaengine_pcm_trigger(substream, cmd);
+}
+
+static snd_pcm_uframes_t mmp_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ return snd_dmaengine_pcm_pointer(substream);
+}
+
static bool filter(struct dma_chan *chan, void *param)
{
struct mmp_dma_data *dma_data = param;
@@ -99,12 +107,12 @@
return found;
}
-static int mmp_pcm_open(struct snd_pcm_substream *substream)
+static int mmp_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct platform_device *pdev = to_platform_device(component->dev);
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct mmp_dma_data dma_data;
struct resource *r;
@@ -122,8 +130,15 @@
&dma_data);
}
-static int mmp_pcm_mmap(struct snd_pcm_substream *substream,
- struct vm_area_struct *vma)
+static int mmp_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ return snd_dmaengine_pcm_close_release_chan(substream);
+}
+
+static int mmp_pcm_mmap(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
{
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long off = vma->vm_pgoff;
@@ -134,17 +149,8 @@
vma->vm_end - vma->vm_start, vma->vm_page_prot);
}
-static const struct snd_pcm_ops mmp_pcm_ops = {
- .open = mmp_pcm_open,
- .close = snd_dmaengine_pcm_close_release_chan,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = mmp_pcm_hw_params,
- .trigger = snd_dmaengine_pcm_trigger,
- .pointer = snd_dmaengine_pcm_pointer,
- .mmap = mmp_pcm_mmap,
-};
-
-static void mmp_pcm_free_dma_buffers(struct snd_pcm *pcm)
+static void mmp_pcm_free_dma_buffers(struct snd_soc_component *component,
+ struct snd_pcm *pcm)
{
struct snd_pcm_substream *substream;
struct snd_dma_buffer *buf;
@@ -193,7 +199,8 @@
return 0;
}
-static int mmp_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int mmp_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
struct snd_pcm_substream *substream;
struct snd_pcm *pcm = rtd->pcm;
@@ -210,15 +217,20 @@
return 0;
err:
- mmp_pcm_free_dma_buffers(pcm);
+ mmp_pcm_free_dma_buffers(component, pcm);
return ret;
}
static const struct snd_soc_component_driver mmp_soc_component = {
.name = DRV_NAME,
- .ops = &mmp_pcm_ops,
- .pcm_new = mmp_pcm_new,
- .pcm_free = mmp_pcm_free_dma_buffers,
+ .open = mmp_pcm_open,
+ .close = mmp_pcm_close,
+ .hw_params = mmp_pcm_hw_params,
+ .trigger = mmp_pcm_trigger,
+ .pointer = mmp_pcm_pointer,
+ .mmap = mmp_pcm_mmap,
+ .pcm_construct = mmp_pcm_new,
+ .pcm_destruct = mmp_pcm_free_dma_buffers,
};
static int mmp_pcm_probe(struct platform_device *pdev)
--
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